| Folder 46/30 | Sabin, Florence. — 1920 |
| Folder 46/30 | Sachs, B.. — 1922 |
| Folder 46/31 | Salmon, Thomas W.. — 1919-1921 |
| Folder 46/32 | Salomonsen, Carl J.. — 1910 |
| Folder 46/32 | Sand, Rene. — 1921-1928 |
| Folder 46/33-34 | Sanger, Margaret. — 1921-1933 |
| Folder 46/36 | Sargent, John Singer. — 1906 |
| Folder 47/1-4 | Sarton, George. — 1926-1934 |
| Folder 47/5 | Satani, Y.. — 1920 |
| Folder 47/5 | Satterlee, Herbert L.. — 1925, 1934 |
| Folder 47/6 | Saunders, George C.. — 1921 |
| Folder 47/6 | Sawyer, W. A.. — 1919 |
| Folder 47/6 | Sayre, R. H.. — 1919 |
| Folder 47/7-10 | Scaife, Lauriston L.. — 1870-1920 |
| Folder 47/11 | Scaife, Helen A. (Mrs. Lauriston L. Scaife). — 1930, 1931 |
| Folder 47/12 | Schad, Robert O.. — 1930 |
| Folder 47/12 | Schafer, E. A.. — 1916 |
| Folder 47/12 | Schering-Kahlbaum, A.G.. — 1929 |
| Folder 47/13 | Schick, Bela. — 1926 |
| Folder 47/13 | Schilling, Claus. — 1931 |
| Folder 47/13 | Schlomovitz, B. H.. — 1920 |
| Folder 47/14 | Schmidt, Louis B.. — 1931, 1934 |
| Folder 47/15 | Schnack, A. G.. — 1920, 1921 |
| Folder 47/15 | Schwab, J. C.. — 1901 |
| Folder 47/16 | Sears, Frederick W.. — 1921 |
| Folder 47/16 | Sedgwick, Ellery. — 1931 |
| Folder 47/16 | Sedgwick, William T.. — 1919 |
| Folder 47/17 | Segal, Maurice S.. — 1930 |
| Folder 47/17 | Seligman, Edwin R. A.. — 1928 |
| Folder 47/18 | Sellards, A. W.. — 1919 |
| Folder 47/18 | Selling, Laurence. — 1930 |
| Folder 47/19-20 | Sewall, Henry. — 1910-1933; encl: clippings re antivivisection (see XI A). |
| Folder 47/21 | Seymer, Lucy B.. — 1922-1934 |
| Folder 47/22 | Shattuck, Frederick C.. — 1910; (to Thayer). |
| Folder 47/22 | Shattuck, J. W.. — 1920 |
| Folder 47/22 | Shaw, Albert. — 1925 |
| Folder 47/22 | Shedd, John G.. — 1925 |
| Folder 47/23-24 | Sheldon, Edward W.. — 1925-1932 |
| Folder 47/25 | Shepard, Charles E.. — 1920 |
| Folder 47/25 | Shepard, Alice G. (Mrs. Charles E. Shepard). — 1930 |
| Folder 47/25 | Shepherd, Francis J.. — 1920 |
| Folder 47/25 | Sherman, Henry C.. — 1925 |
| Folder 47/25 | Sherman, Maurice S.. — 1932 |
| Folder 47/26 | Sherman, Ruth Brewster. — 1932 |
| Folder 47/26 | Sherrington, C. S.. — 1928 |
| Folder 47/27 | Sherwood, Harry S.. — 1927; encl: reprint "First citizen of the scientific world" by HSS re Welch in Scribner's. |
| Folder 47/27 | Sherwood, Mary. — 1930 |
| Folder 47/27 | Sherwood, Mary (Mrs. Sidney Sherwood). — 1930 |
| Folder 47/28 | Shintake, T.. — 1920 |
| Folder 47/28 | Shippen, Florence B. (Mrs. Lloyd P. Shippen). — 1932 |
| Folder 47/28 | Shiras, Winfield. — 1931 |
| Folder 47/28 | Shoemaker, Harlan. — 1924 |
| Folder 47/29 | Shrader, J. H.. — 1930 |
| Folder 47/30-33 | Shriver, Alfred J.. — 1927-1934 |
| Folder 47/34 | Shriver, J. Alexis. — 1927; encl: clipping re Rusk and wooden Indians. |
| Folder 48/1-2 | Shryock, Richard H.. — 1930-1934; encl: reprint "Sylvester Graham and the popular health movement" by RHS in Mississipi Valley Hist Rev, 1931. |
| Folder 48/3-5 | Shules, William G.. — 1928-1933 |
| Folder 48/6 | Sigerfoos, Charles P.. — 1928 |
| Folder 48/7-13 | Sigerist, Henry E.. — 1927-1933 |
| Folder 48/14 | Silver, Henry M.. — 1934 |
| Folder 48/15-17 | Simmons, George H.. — 1911-1930 |
| Folder 48/18 | Simmons, Mary. — 1910; (to Thayer). |
| Folder 48/18 | Simon, Charles E.. — 1921-1926; encl: TMs "Report division of filterable viruses, 1922-3". |
| Folder 48/18 | Simon, W.. — 1910 |
| Folder 48/19-20 | Simpson, Frank F.. — 1920-n.d. |
| Folder 48/21-26 | Singer, Charles. — 1920-1934 |
| Folder 48/27 | Siwinski, George W.. — 1920 |
| Folder 48/27 | Skutch, Robert F.. — 1930 |
| Folder 48/28 | Slack, Elizabeth B. (Mrs. Harry R. Slack). — 1922, 1933 |
| Folder 48/28 | Slemons, J. Morris. — 1930 |
| Folder 48/29 | Sloan, Harry G.. — 1929 |
| Folder 48/29 | Slye, Maude. — 1933 |
| Folder 48/30 | Smellie, Elizabeth L.. — 1925 |
| Folder 48/30 | Smelser, L. B.. — 1926 |
| Folder 48/31 | Smillie, Wilson G.. — 1921, 1930 |
| Folder 49/1 | Smith, Miss ?. — 1925; (NY Academy Medicine). |
| Folder 49/1 | Smith, Bailey B.. — 1934 |
| Folder 49/1 | Smith, Charles H.. — 1920 |
| Folder 49/2-3 | Smith, Edric B.. — 1922-1931 |
| Folder 49/4 | Smith, Erwin F.. — 1920, 1923 |
| Folder 49/4 | Smith, Ruth (Mrs. Erwin F. Smith). — 1927 |
| Folder 49/5 | Smith, Herbert E.. — 1901 |
| Folder 49/5 | Smith, Innes. — 1929 |
| Folder 49/6 | Smith, J. C.. — 1920 |
| Folder 49/6 | Smith, Sen. John Walter. — 1910, 1920 |
| Folder 49/7 | Smith, Bertha W. (Mrs. R. Manson Smith). — 1920-1923 |
| Folder 49/8-11 | Smith, Theobald. — 1888-1933 |
| Folder 49/12 | Smith, W. Harvey. — 1930 |
| Folder 49/12 | Smith, William Adams. — 1921 |
| Folder 49/13-15 | Smith, William R.. — 1920-1931; encl: pamphlet re Royal Institute Public Health London and Harben medal. |
| Folder 49/16-26 | Smith, Winford H.. — 1909-1932 |
| Folder 49/27 | Snow, Jessie L.. — 1933 |
| Folder 49/28-33 | Snow, William F.. — 1919-1932; encl: pamphlets re Am Social Hygiene Assoc, Metropolitan Life Assoc. |
| Folder 49/34 | Solomon, Leon L.. — 1934 |
| Folder 49/34 | Soper, George A.. — 1932 |
| Folder 49/34 | Soper, Willard B.. — 1920 |
| Folder 49/35 | Souttar, Henry S.. — 1932 |
| Folder 49/35 | Souza, Geraldo H. De Paula. — 1919-1926 |
| Folder 50/1 | Spaeth, Reynold A.. — 1919 |
| Folder 50/1 | Spalding, Rebecca A. (Mrs. George Spalding). — 1930, 1931 |
| Folder 50/2 | Spencer, Anna G.. — 1925 |
| Folder 50/2 | Spencer, John O.. — 1929-1932 |
| Folder 50/2 | Speyer, James. — 1925 |
| Folder 50/3 | Spoerl, Elsie. — 1929 |
| Folder 50/3 | Sproul, Arthur E.. — 1924 |
| Folder 50/3 | Stacey, J. W.. — 1932 |
| Folder 50/4 | Stampar, Andrija. — 1930 |
| Folder 50/4 | Stapleton, William J.. — 1934 |
| Folder 50/4 | Starling, Ernest H.. — 1931 |
| Folder 50/5 | Starnes, DeWitt T.. — 1931 |
| Folder 50/5 | Starr, M. Allen. — 1930 |
| Folder 50/6 | Steele, H. Wirt. — 1911 |
| Folder 50/6 | Stein, Arthur. — 1932 |
| Folder 50/6 | Steiner, Bernard C.. — 1919 |
| Folder 50/7 | Steiner, Walter R.. — 1899-1930 |
| Folder 50/8-9 | Stengel, Alfred. — 1930 |
| Folder 50/10 | Sterling, E. Blanche. — 1920 |
| Folder 50/10 | Sternberg, George M.. — 1910 |
| Folder 50/10 | Sternberg, M. L. (Mrs. George M. Sternberg). — 1920 |
| Folder 50/11 | Stevenson, Charles S.. — 1931 |
| Folder 50/11 | Stevenson, N.. — 1924 |
| Folder 50/12 | Stewart, C. Morton. — 1933 |
| Folder 50/12 | Stewart, F. E.. — 1901; encl: 2 pages of the Druggists Circular and Chemical Gazette, June 1901. |
| Folder 50/13 | Stewart, Redmond C.. — 1919-1920 |
| Folder 50/14-15 | Stiles, Charles W.. — 1891-1931 |
| Folder 50/16 | Stillings, F. A.. — 1898 |
| Folder 50/16 | Stillman, Josephine (Mrs. ? Stillman). — 1930 |
| Folder 50/17 | Stimson, A. M.. — 1923 |
| Folder 50/17 | Stimson, Dorothy. — 1930 |
| Folder 50/17 | Stimson, Henry L.. — 1929 |
| Folder 50/18 | Stimson, Maj. Julia C.. — 1923 |
| Folder 50/19 | Stockard, C. R.. — 1933 |
| Folder 50/19 | Stocking, Bessie E.. — 1919 |
| Folder 50/20 | Stoeckel, Nelly (Mrs. Carl Stoeckel). — 1933-1934 |
| Folder 50/21 | Stoeckel, Robbins B.. — 1926; encl: leaflet re motor vehicle accidents Connecticut, 1925. |
| Folder 50/22 | Stokes, Anna A.. — 1928 |
| Folder 50/22 | Stokes, Anson Phelps. — 1920, 1933 |
| Folder 50/22 | Stokes, Surg. Gen. C. F.. — 1911 |
| Folder 50/23 | Stoll, Norman R.. — 1926 |
| Folder 50/23 | Storey, Thomas A.. — 1921-1925 |
| Folder 50/24 | Stouch, C. E.. — 1920 |
| Folder 50/24 | Straus, Nathan. — 1930 |
| Folder 50/24 | Street, Lionel A. B.. — 1924 |
| Folder 50/24 | Streubens, Theodore L.. — 1933 |
| Folder 50/25-26 | Strong, Richard P.. — 1909-1926 |
| Folder 50/27 | Stuart, Campbell. — 1927 |
| Folder 50/27 | Sudhoff, Karl. — 1928 |
| Folder 50/28-31 | Sudhoff, Karl. — 1928-1932 |
| Folder 50/32 | Sullivan, Harry Stack. — 1930 |
| Folder 50/32 | Sum, A.. — 1921 |
| Folder 50/32 | Summers, Charles L.. — 1920 |
| Folder 50/33 | Sundwall, John. — 1924 |
| Folder 50/33 | Swasey, Ambrose. — 1930, 1931 |
| Folder 50/34 | Sweeney, James S.. — 1924 |
| Folder 50/34 | Sweet, E. F.. — 1921 |
| Folder 50/34 | Swoboda, J. Alfred. — 1931 |
| Folder 50/34 | Sydenstricker, Edgar. — 1933 |
| Folder 51/1 | Taffel, Max. — 1932 |
| Folder 51/1 | Taft, Horace D.. — 1924 |
| Folder 51/1 | Taft, William C.. — n.d. |
| Folder 51/2-3 | Taft, William Howard. — 1910, 1921 |
| Folder 51/4 | Tait, H. Sinclair. — 1930-1933 |
| Folder 51/5 | Taliaferro, W. H.. — 1921 |
| Folder 51/6 | Tanz, Stanley S.. — 1934 |
| Folder 51/6 | Taylor, A. E.. — 1920 |
| Folder 51/6 | Taylor, E. J.. — 1921 |
| Folder 51/7 | Taylor, Kenneth. — 1919-1921 |
| Folder 51/8 | Taylor, S. H.. — 1865 |
| Folder 51/8 | Taylor, Jessie (Mrs. William A. Taylor). — 1919 |
| Folder 51/9 | Tennant, Chauncey E.. — 1911 |
| Folder 51/10 | Terry, Bertha Halsted (Mrs. ? Terry). — 1922 |
| Folder 51/10 | Terry, B. T.. — 1921 |
| Folder 51/10 | Teusler, R. B.. — 1920, 1925 |
| Folder 51/11 | Thaliath, Joseph. — 1931 |
| Folder 51/12-15 | Thayer, William S.. — 1919-1931 |
| Folder 51/16 | Theiler, Sir Arnold. — 1927 |
| Folder 51/17-18 | Thies, Elizabeth S., (later Mrs. Thies Meyer). — 1895-1932 |
| Folder 51/19 | Thom, DeCourcy W.. — 1920 |
| Folder 51/19 | Thomas, Charles C.. — 1933 |
| Folder 51/20 | Thomas, Charles C.. — 1920-1929 |
| Folder 51/21 | Thomas, Henry M.. — 1910; (to Thayer). |
| Folder 51/21 | Thomas, Zoe (Mrs. Henry M. Thomas). — 1925, 1928 |
| Folder 51/21 | Thomas, James Carey. — 1886; (memo). |
| Folder 51/21 | Thomas, Prof. K.. — 1927 |
| Folder 51/22-24 | Thomas, M. Carey. — 1893-1929 |
| Folder 51/25 | Thomas, Stanley. — 1932 |
| Folder 51/26 | Thompson, Charles B.. — 1920-1933 |
| Folder 51/27 | Thompson, Norma S.. — 1927 |
| Folder 51/27 | Thompson, W. Gilman. — 1910-1920 |
| Folder 51/27 | Thompson, W. L.. — 1925 |
| Folder 51/28 | Thomson, J. Oscar. — 1925 |
| Folder 51/28 | Thomson, William. — 1920 |
| Folder 51/28 | Thorndike, Lynn. — 1930 |
| Folder 51/29 | Tiffany, Louis M.. — 1910?; (to Thayer). |
| Folder 51/29 | Tilghman, Oswald. — 1923 |
| Folder 51/29 | Tilney, Frederick. — 1929 |
| Folder 51/29 | Tilton, Edward Lippincott. — 1929-1931 |
| Folder 51/29 | Tilton, Mary B. (Mrs. Edward L. Tilton). — 1933 |
| Folder 51/30 | Tittmann, O. H.. — 1916 |
| Folder 51/30 | Tomarkin, L. W.. — 1931-1932 |
| Folder 51/31 | Torrance, Arthur. — 1930 |
| Folder 51/31 | Toscanini, Walter. — 1929 |
| Folder 51/31 | Treves, Norman. — 1930 |
| Folder 51/32 | Trout, Hugh H.. — 1930, 1931 |
| Folder 51/32 | Trudeau, E. L.. — 1910; (to Thayer). |
| Folder 51/32 | True, Rodney H.. — 1931 |
| Folder 51/32 | Truett, George W.. — 1920 |
| Folder 51/32 | Truitt, Ralph P.. — 1930 |
| Folder 51/33 | Tshur, J. T.. — 1915 |
| Folder 51/33 | Tsung, Min Tang. — 1920 |
| Folder 51/33 | Tumulty, Joseph P.. — 1920; (sec. to President Woodrow Wilson). |
| Folder 51/34 | Turnbull, Edwin L.. — 1921, 1925 |
| Folder 51/34 | Turnbull, Francese L. (Mrs. Lawrence Turnbull). — 1919 |
| Folder 51/35 | Turtle, G. De Bec. — 1931 |
| Folder 52/1 | Tuttle, G. Montgomery. — 1903 |
| Folder 52/1 | Twombly, Ruth. — 1925 |
| Folder 52/1 | Tyler, William B.. — 1920, 1930 |
| Folder 52/2 | Tyson, A. Morris. — 1933 |
| Folder 52/2 | Tyson, James. — 1910; (to Thayer). |
| Folder 52/2 | Tyson, Stuart L.. — 1932 |
| Folder 52/3 | Ulrich, Mabel S.. — 1919 |
| Folder 52/4 | Urueta, C. A.. — 1921 |
| Folder 52/5 | Vallery-Radot, Pasteur. — 1927 |
| Folder 52/5 | Vanamee, Grace D. (Mrs. William Vanamee). — 1920, 1921; encl: memos re Morton and New York University Hall of Fame. |
| Folder 52/6 | Van Blarcom, Carolyn C.. — 1926 |
| Folder 52/7 | Van Busirk, J. D.. — 1929 |
| Folder 52/7 | Van der Hoeve, Prof. ?. — 1928 |
| Folder 52/7 | Vanderpoel, Mrs. M. H.. — n.d. |
| Folder 52/8 | Vander Veer, A.. — 1920 |
| Folder 52/8 | Van Driel, Dr. ?. — 1930 |
| Folder 52/9 | Van Wesep, H. B.. — 1933 |
| Folder 52/9 | Van Zwalenburg, C.. — 1931; encl: reprint "Hydraulics" by CVZ. |
| Folder 52/10 | Vasconcelos, Angel B.. — 1922 |
| Folder 52/11 | Vaughan, Milton. — 1920 |
| Folder 52/11 | Vaughan, Victor C.. — 1910-1921 |
| Folder 52/11 | Vaughan, Warren T.. — 1932 |
| Folder 52/12 | Vecchi, Paolo de. — 1910 |
| Folder 52/12 | Venable, Addie C.. — 1919, 1920 |
| Folder 52/13 | Venable, Edgar W.. — 1912, 1930 |
| Folder 52/14 | Venable, Francis P.. — 1906, 1910 |
| Folder 52/14 | Venable, Katharine. — 1930 |
| Folder 52/15 | Venable, Richard M.. — 1910, 1913 |
| Folder 52/15 | Venable, Susie W.. — 1930 |
| Folder 52/15 | Venable, William H.. — 1912 |
| Folder 52/16 | Vieira, F. Borges. — 1919, 1920 |
| Folder 52/17 | Vietor, Agnes C.. — 1903, 1931 |
| Folder 52/18-20 | Viets, Henry R.. — 1920-1934 |
| Folder 52/21-30 | Vincent, George E.. — 1917-1928; (President Rockefeller Foundation). |
| Folder 52/31 | Vinson, Carl G.. — 1933; encl: reprint "Mosaic diseases tobacco" by CGV in Phytopathology, Dec 1922. |
| Folder 52/31 | Vinson, Robert E.. — 1929 |
| Folder 52/32 | Virchow, Hans. — 1930 |
| Folder 52/32 | Voorhis, Charles B.. — 1930 |
| Folder 53/1 | Wadsworth, Augustus B.. — 1919-1934 |
| Folder 53/2 | Waite, F. C.. — 1918 |
| Folder 53/3 | Walcott, Henry P.. — 1910; (to Thayer). |
| Folder 53/3 | Wald, Lillian D.. — 1921-1933 |
| Folder 53/4 | Waldeyer, Wilhelm von. — 1910 |
| Folder 53/4 | Walker, G. D.. — 1930 |
| Folder 53/4 | Walker, M. P.. — 1915 |
| Folder 53/5 | Wallace, Kate D. (Mrs. William C. Wallace). — 1931 |
| Folder 53/5 | Waller, Erik. — 1927-1929 |
| Folder 53/6 | Wallis, E. White. — 1921 |
| Folder 53/6 | Walsh, Adelaide Mary. — 1920 |
| Folder 53/7-9 | Walsh, James J.. — 1920-1934 |
| Folder 53/10 | Walsh, William C.. — 1932 |
| Folder 53/10 | Walter, Valerie H.. — 1928-1934 |
| Folder 53/11 | Walther, Johannes. — 1927 |
| Folder 53/11 | Walton, Thomas B.. — 1921 |
| Folder 53/12 | Wampler, Fred J.. — 1930 |
| Folder 53/12 | Warburg, Otto. — 1929, 1931 |
| Folder 53/12 | Ward, Henry B.. — 1933 |
| Folder 53/12 | Warfield, Louis M.. — 1933 |
| Folder 53/12 | Waring, Joseph I.. — 1930 |
| Folder 53/13 | Warnhuis, Frederick C.. — 1930 |
| Folder 53/13 | Warren, J. Collins. — 1892-1910 |
| Folder 53/14-15 | Warren, J. Collins. — 1920-1921 |
| Folder 53/16 | Warren, Walter Phelps Jr.. — 1923 |
| Folder 53/16 | Wassel, C. Mc A.. — 1919, 1920 |
| Folder 53/16 | Watabiki, Tomomitsu. — 1921, 1928; encl: photocard showing Japanese exhibit 1920 with Welch, Nightingale, Wright. |
| Folder 53/16 | Waterhouse, Herbert F.. — 1902 |
| Folder 53/17 | Waters, Willard O.. — 1930 |
| Folder 53/17 | Waters, Yssabella. — 1920 |
| Folder 53/17 | Watson, John B.. — 1920 |
| Folder 53/18 | Watson, Mark S.. — 1930 |
| Folder 53/19 | Weaver, George H.. — 1921 |
| Folder 53/19 | Weaver, Louis S.. — 1931, 1933 |
| Folder 53/19 | Webb, Gerald B.. — 1932, 1933 |
| Folder 53/20-33 | Weed, Lewis H.. — 1920-1933; encl: re memorial plaques dispensary building Hopkins Hospital, 1927, book lists for History Medicine Library, 1928. |
| Folder 53/34 | Weems, Benjamin F.. — 1933 |
| Folder 53/34 | Weigelt, J.. — 1930 |
| Folder 53/34 | Wein, Prof. ?. — 1922 |
| Folder 53/35 | Weinberg, M.. — 1930 |
| Folder 53/35 | Weindl, Johann. — 1920 |
| Folder 53/35 | Weinstein, Gregory. — 1932 |
| Folder 53/36 | Weisberger, Siegfried. — 1930 |
| Folder 53/36 | Weiss, Harvey H.. — 1929 |
| Folder 54/1 | Weller, Carl V.. — 1931 |
| Folder 54/1 | Wells, Clifford W.. — 1920-1930 |
| Folder 54/1 | Welsh, Rev. George W.. — 1930 |
| Folder 54/2 | Werckmeister, Edwin A.. — 1928-1931 |
| Folder 54/2 | West, Andrew F.. — 1919 |
| Folder 54/3-4 | West, Olin. — 1930-1933; encl: booklet AMA bylaws, constitution 1929. |
| Folder 54/5 | Whaley, Col. A. M.. — 1919 |
| Folder 54/5 | Wheeler, Benjamin. — 1910; (to Thayer). |
| Folder 54/5 | Wheeler, Lilla C.. — 1929 |
| Folder 54/6-9 | Whipple, George H.. — 1907-1934 |
| Folder 54/10 | White, Francis. — 1884 |
| Folder 54/10 | White, Henry. — 1925 |
| Folder 54/10 | White, Norman. — 1927 |
| Folder 54/11 | White, Richard J.. — 1921 |
| Folder 54/11 | White, William A.. — 1930 |
| Folder 54/12 | White, W. R.. — 1923, 1933 |
| Folder 54/13 | Whitney, Payne. — 1925 |
| Folder 54/13 | Wickersham, Gen. George W.. — 1933 |
| Folder 54/14 | Widdemer, Kenneth D.. — 1933 |
| Folder 54/14 | Wigand, Rudolf. — 1928 |
| Folder 54/15 | Wilbur, Ray Lyman. — 1911-1931 |
| Folder 54/16 | Wilcox, Grafton S.. — 1932 |
| Folder 54/16 | Wilder, Amos P.. — 1927 |
| Folder 54/16 | Wile, Udo J.. — 1928, 1932 |
| Folder 54/17-18 | Willard, Daniel. — 1925-1934 |
| Folder 54/19 | Willcox, U. F.. — 1923 |
| Folder 54/20 | Williams, Elena. — 1923 |
| Folder 54/20 | Williams, Frankwood E.. — 1930 |
| Folder 54/21 | Williams, Frederick W.. — 1920-1921 |
| Folder 54/21 | Williams, George H.. — 1884 |
| Folder 54/22-25 | Williams, Mary C. (Mrs. George H. Williams). — 1910-1933 |
| Folder 54/26 | Williams, Herbert U.. — 1910; (to Thayer). |
| Folder 54/27-35 | Williams, Huntington. — 1913-1934 |
| Folder 54/36-37 | Williams, J. Whitridge. — 1919-1927 |
| Folder 55/1-5 | Williams, Linsly R.. — 1920-1930 |
| Folder 55/6 | Williams, Robert W.. — 1920, 1932 |
| Folder 55/7 | Williams, Talcott. — 1924 |
| Folder 55/7 | Williams, Thomas. — 1920 |
| Folder 55/8 | Williamson C. C.. — 1922 |
| Folder 55/9-10 | Wilmer, William H.. — 1921-1934 |
| Folder 55/11 | Wilson, Edwin B.. — 1919-1932 |
| Folder 55/11 | Wilson, Henry H.. — 1931 |
| Folder 55/12 | Wilson, James. — 1906 |
| Folder 55/12 | Wilson, Louis B.. — 1919 |
| Folder 55/13 | Wilson, Stanley D.. — 1924 |
| Folder 55/13 | Wilson, William. — 1920, 1934 |
| Folder 55/14-15 | Wilson, Woodrow. — 1910-1918 |
| Folder 55/16-19 | Winslow, C.-E. A.. — 1919-1934 |
| Folder 55/20-24 | Winternitz, Milton C.. — 1919-1934 |
| Folder 55/25 | Wolff, S. B.. — 1919 |
| Folder 55/25 | Wolman, Abel. — 1925 |
| Folder 55/25 | Woo, L. M.. — 1922 |
| Folder 55/26-28 | Wood, Casey. — 1919-1926 |
| Folder 55/29 | Wood, Harry O.. — 1920 |
| Folder 55/29 | Wood, Hazel (Mrs. W. R. C. Wood). — 1919 |
| Folder 55/30 | Wood, Leonard. — 1910; (to Thayer). |
| Folder 55/30 | Wood, R. W.. — 1922 |
| Folder 55/30 | Woodhead, G. Sims. — 1910; (to Thayer). |
| Folder 55/31 | Woods, A. F.. — 1920, 1921 |
| Folder 55/31 | Woods, Andrew H.. — 1915 |
| Folder 55/32 | Woods, Frederick Adams. — 1921 |
| Folder 55/32 | Woods, Hiram. — 1919 |
| Folder 56/1-2 | Woodward, Robert S.. — 1906-1920; encl: memos re Carnegie Institute Washington. |
| Folder 56/3 | Woolf, S. J.. — 1930 |
| Folder 56/4 | Woolley, Mary E.. — 1930 |
| Folder 56/4 | Work, Hubert. — 1928 |
| Folder 56/5-7 | Wright, Sir Almroth E.. — 1921-1930; encl: reprint "Techniques of the teat and glass tube" preface 2nd ed AEW's book. |
| Folder 56/8-9 | Wright, Elizabeth W. (Mrs. Hamilton Wright). — 1920-1930 |
| Folder 56/10 | Wright, Jonathan. — 1912 |
| Folder 56/10 | Wu, Lien Teh. — 1919-1923 |
| Folder 56/11 | Wyatt, Bernard L.. — 1929 |
| Folder 56/11 | Wyatt, Idah G. (Mrs. Robert E. Wyatt). — 1931 |
| Folder 56/11 | Wyckoff, Ralph W. G.. — 1932 |
| Folder 56/12 | Wyeth, John A.. — 1921 |
| Folder 56/12 | Wyman, Walter. — 1910; (to Thayer). |
| Folder 56/12 | Wynn, Dale. — 1932 |
| Folder 56/12 | Wynne, Shirley W.. — 1930 |
| Folder 56/13 | Yardley, William Woolsey. — 1933 |
| Folder 56/14 | Yates, John L.. — 1932-1933 |
| Folder 56/15-16 | Yerkes, Robert M.. — 1919-1934 |
| Folder 56/17-18 | Young, Olivia (Mrs. Charles W. Young). — 1920-1933 |
| Folder 56/19 | Young, Hugh H.. — 1925 |
| Folder 56/19 | Young, Owen D.. — 1930 |
| Folder 56/20-21 | Young, William Welch. — 1930-1934 |
| Folder 56/22 | Zapffe, Fred. C.. — 1933 |
| Folder 56/22 | Zentmayer, William. — 1920 |
| Folder 56/22 | Zerfas, L. G.. — 1932 |
| Folder 56/22 | Zeuch, Lucius H.. — 1928 |
| Folder 56/22 | Ziegler, Edward. — 1933 |
| Folder 56/23 | Zimmerns, Alfred. — 1930 |
| Folder 56/23 | Zinsser, Hans. — 1922-1932 |
| Folder 56/23 | Zozoya, Jose. — 1923 |
| Folder 56/23 | Zueblin, Ernest. — 1921 |
| Folder 56/24 | Unidentified correspondence; 2 letters, 4 travel postcards. |