| United States -- Intellectual life -- 18th century. Matches 28 items |
| United States -- Intellectual life -- 18th century -- Congresses. Matches 1 item |
| United States -- Intellectual life -- 18th century -- Encyclopedias. Matches 1 item |
| United States -- Intellectual life -- 18th century -- Sources. Matches 1 item |
| United States -- Intellectual life -- 19th century. Matches 23 items |
| United States -- Intellectual life -- 19th century -- Sources. Matches 1 item |
| United States -- Intellectual life -- 20th century. Matches 79 items |
| United States -- Intellectual life -- 20th century -- Encyclopedias. Matches 4 items |
| United States -- Intellectual life -- 20th century -- Handbooks, manuals, etc. Matches 1 item |
| United States -- Intellectual life -- 21st century. Matches 1 item |