New York Subway Guide, 1978, 2007.42.14, Ben Chiaro Collection; New York Transit Museum. New Subway Routes, 1967, 2011.12.1, Richard Carpenter Collection; New York Transit Museum. Details of 1974 map, 2003.37.17; New York Transit Museum Collection. Details of 1974 map, 2003.37.17; New York Transit Museum Collection.
