Other
New York City Subway: Early Transit in New York City
Pictures, primary source documents, and articles about the subway system and rapid transit in New York City at the end of the 19th century and early 20th century.
NPR: National Public Radio
Npr: Nyc Subway Turns 100
America's most famous subway has turned 100! NPR does a fun series that looks at the early technology and the usage of subway in film and song. Be sure to view the galleries of photos and listen to the memories and music!
Other
New York Subway History: Beach Pneumatic Transit
Not all inventions turn out to be good ideas! Read about Alfred Ely Beach's idea to build a pneumatic tube under the streets of New York City for subway trains to use.
PBS
Pbs: American Experience: New York Underground: Beyond the Irt
Discusses the developments in underground transit systems during 1905.