Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # United States. 11442 United States. Endangered Species Act of 1973 51 United States $$x Territories and possessions. 1 United States. 1st Cavalry. 1 United States. 5th Congress, 3rd session (1798-1799). Senate. 1 United States. 5th Infantry. 1 United States. 7th Cavalry. 1 United States -- 19th century -- Fiction. 1 United States -- 19th century -- Social conditions -- Drama. 2 United States -- 19th century -- Social life and customs -- Drama. 1 United States -- 20th century -- Drama. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >