Страна: США
- Biggert Collection of Architectural Vignettes on Commercial Stationery
- Harlem History
- Notable New Yorkers
- American State Papers
- American National Biography Online
- American Memory
- 1940s New York: Explore the 1943 New York City Market Analysis
- 1940 census
- Wednesdays in Mississippi
- One Hundred Years of Life on the Lawn