21. The Mall, Washington, D. C. Collection: Andrew Dickson White Architectural Photographs Collection Location: District of Columbia, United States Date: ca. 1936 (photograph) Format: Image Creator: Fairchild Aerial Surveys, inc. (Americann photographic firm, established 1920s)
22. The Mall (from the Washington Monument), Washington, D. C. Collection: Andrew Dickson White Architectural Photographs Collection Location: District of Columbia, United States Date: ca. 1936 (photograph) Format: Image
23. Triangle, West Pennsylvania Avenue at 20th Street (After) Collection: Andrew Dickson White Architectural Photographs Collection Location: District of Columbia, United States Date: 1936 (photograph) Format: Image