SeriesI- Biographical Papers
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SeriesII- Family Records and Correspondence
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SeriesIII- General Correspondence
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SeriesIV- Correspondence with Organizations
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SeriesIX- Professional Meetings and Travel
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SeriesV- Records of the Pavlovian Society
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SeriesVI- Papers re Gantt's Scientific Research
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SeriesVII- Notes - Scientific and Personal
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SeriesVIII- Manuscripts
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SeriesX- Political Papers
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SeriesXI- Photographs
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SeriesXII- Russian posters and watercolors
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SeriesXIII- Memorabilia, Miscellany, and Oversize
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SeriesXIV- Printed Matter and Publications
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SeriesXV- Audiovisual materials
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