3 Twentieth St Image: NYPL's Public Domain Archive Public Domain Search}

Vol. 4. Plate, G. [Map bound by Thirteenth St., Fifth Ave., Twentieth St., Gowanus Bay; Including Fourteenth St., Fifteenth St., Fifteenth St., Sixteenth St., Prospect Ave., Seventeenth St., Eighteenth St., Nineteenth St., Hamilton Ave., First Ave., Second Ave., Third Ave., Fourth Ave.]

Public domain scan of a vintage map, plan, atlas, free to use, no copyright restrictions - Picryl description.

Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Public domain scan of a vintage map, plan, atlas, free to use, no copyright restrictions - Picryl description.