- Contracts--Canada--19th century27
- Fur trade--Canada27
- Fur trade--North America27
- Fur traders--Canada27
- Fur traders--United States27
- Trading posts--Canada27
- Trading posts--North America27
- Indians of North America--Legal status, laws, etc.26
- Painters--United States--20th Century--Archives25
- Authors, American--20th century23
- Islamic binding23
- Lawyers--United States23
- Authors, American--20th century--Archives22
- United States --History --Civil War, 1861-186522
- Christian literature, Latin (Medieval and modern)20
- Literature, Medieval--Translations20
- Publishing--United States19
- Scholasticism19
- English poetry--17th century18
- Alchemy--Early works to 180017