1. Washington Square Arch Collection: Images from the Rare Book and Manuscript Collections Location: New York, New York, United States Format: Image Creator: Clarke, Gilmore D. (American landscape architect, 1892-1982)
2. Washington Square Park Collection: Images from the Rare Book and Manuscript Collections Location: New York, New York, United States Date: 1935-04 Format: Image Creator: Clarke, Gilmore D. (American landscape architect, 1892-1982)
3. Washington Square Arch scale drawing. Collection: Images from the Rare Book and Manuscript Collections Location: New York, New York, United States Format: Image Creator: Clarke, Gilmore D. (American landscape architect, 1892-1982)