lower right in plate: Marin 31; lower left in graphite John Marin; lower right in graphite by unknown hand: Brooklyn Bridge / Brooklyn Bridge; upper left verso in graphite by unknown hand: B130 Brooklyn Bridge - 1921 / C.Z.154 / NON 10.048; lower left verso in graphite by unknown hand: CSP#3
Norma B. Marin, NY; gift 2005 to NGA.
- Zigrosser, Carl. The Complete Etchings of John Marin. Philadelphia: Philadelphia Museum of Art, 1969.