- Superintendent's Letter Books, Diaries, and Monthly Reports - collection of bound volumes, 1885/1967551
- Taylor collection of Lewis family papers, 1700/195027
- Ted and Mary Wendell early American collection, 1721/182661
- Tomb Books, Floral Tribute Registries, 1967/201016
- Wallpaper collection, 1757/184010
- Washington D.C. and Regional Guidebooks, 1891/19619
- Washington forgeries, facsimiles, and bookplates collection, 1863/199926
- Wayne Rickert collection of founders' autographs, 1770/183142
- Worth Bailey Papers, 1939-1980, 1939/1980377