- Huff-Hylton Families Papers, 1803/19751
- IAWA Small Collections, 1907/20131
- Jean Linden Young Papers, 1945/19971
- Judith (Dita) Roque-Gourary Architectural Collection, 1926/19811
- Judith Edelman Architectural Papers, 1947/20091
- Liane Zimbler Architectural Collection, 1912/19941
- Lilia Sofer Skala Student Portfolio, 1915/2003, bulk 1915/19281
- Lois Davidson Gottlieb Architectural Collection, 1945/20091
- Louise Hall Collection, 1893/19901
- Lucy Dickinson Urquhart Papers, 1865/19731
- Lucy Herndon Crockett Papers, 1940/20151
- Lucy Lee Lancaster Papers, 1915/19891
- Margaret M. Sullivan Collection, 1932/20111
- Mary Brown Channel Architectural Collection, 1936/2002, bulk 1936/19501
- Mary Fessler Papers, 1940/20011