- "My Maryland" operetta stage guide and score manuscripts, 19291
- Abraham Anson papers, 1939/20052
- Adams T. Rice papers, 1922/196014
- Alexander Haight family collection, 1764/19766
- Alexander Haight family collection, 1764/19777
- American Political Items Collectors collection3
- American Political Items Collectors collection, 1895/19881
- American Public Transportation Association records, 1898/199968
- American voyage photograph albums, 1904/19392
- Armistead L. Boothe collection, 1920/19834
- Arnold Sundgaard papers, 1925/19886
- Arthur E. Scott photograph collection37
- Arthur E. Scott photograph collection, 1910/197638
- Beardwood and Whipple family travel photograph albums, 1931, bulk 1929/19311
- Beaven brass rubbings collection, 1900/19991