- Hindsight 2020: New Haven Project Collection (MS 2125)15
- Sullivan-Stewart papers (MS 1186)15
- Ebenezer Warner family papers (MS 1050)14
- William Davis Ely family papers (MS 944)13
- Joseph Bellamy papers (MS 609)12
- Mailliard Family papers (MS 341)12
- Samuel Clarke Pomeroy papers (MS 1196)12
- Silliman family papers (MS 450)12
- William W. Starr, Jr. papers (MS 1187)12
- Loomis-Wilder Family papers (MS 496A)11
- Morse Family Papers (MS 358)11
- Nantucket collection (MS 1003)11
- Phi Beta Kappa, Yale University, records (RU 58)11
- William Rogers papers (MS 1058)11
- Custodial and administrative services, Yale University, photographs (RU 763)10
- Pierpont Family Papers (MS 1125)10
- John Wesley Blassingame Papers (MS 737)9
- Webster family papers (MS 527)8
- Civil War manuscripts collection (MS 619)7
- Elizabeth Donnan papers (MS 184)7