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issuu.com
* "Queensborough Bridge Centennial". New York Division Bulletin. 52 (3). Electric Railroaders Association: 1–5. March 2009. Archived from the original on October 7, 2022. Retrieved January 1, 2016.
* Linder, Bernard (December 2008). "Sixth Avenue Subway Service Changes". New York Division Bulletin. 51 (12). Electric Railroaders' Association: 2–4. Archived from the original on August 20, 2020. Retrieved August 6, 2016.
Erlitz, Jeffrey (February 2005). "Tech Talk". New York Division Bulletin. 48 (2). Electric Railroaders Association: 9–11. Archived from the original on August 16, 2016. Retrieved July 10, 2016.
* "Queensborough Bridge Centennial". New York Division Bulletin. 52 (3). Electric Railroaders Association: 1–5. March 2009. Archived from the original on October 7, 2022. Retrieved January 1, 2016.
* Linder, Bernard (December 2008). "Sixth Avenue Subway Service Changes". New York Division Bulletin. 51 (12). Electric Railroaders' Association: 2–4. Archived from the original on August 20, 2020. Retrieved August 6, 2016.
Erlitz, Jeffrey (February 2005). "Tech Talk". New York Division Bulletin. 48 (2). Electric Railroaders Association: 9–11. Archived from the original on August 16, 2016. Retrieved July 10, 2016.
"R46 Subway Car Rollsign". Photobucket. Metropolitan Transportation Authority. Archived from the original on September 15, 2020. Retrieved September 8, 2019.
"R46 Subway Car Rollsign". Photobucket. Metropolitan Transportation Authority. Archived from the original on September 15, 2020. Retrieved September 8, 2019.
"Service Changes September 30, 1990"(PDF). subwaynut.com. New York City Transit Authority. September 30, 1990. Archived(PDF) from the original on October 26, 2014. Retrieved May 1, 2016.
* "Queensborough Bridge Centennial". New York Division Bulletin. 52 (3). Electric Railroaders Association: 1–5. March 2009. Archived from the original on October 7, 2022. Retrieved January 1, 2016.
"Last 200 Feet of Subway Rushed"(PDF). Long Island Daily Press. March 19, 1937. p. 2. Archived(PDF) from the original on October 7, 2022. Retrieved April 25, 2019.
* Linder, Bernard (December 2008). "Sixth Avenue Subway Service Changes". New York Division Bulletin. 51 (12). Electric Railroaders' Association: 2–4. Archived from the original on August 20, 2020. Retrieved August 6, 2016.
"R46 Subway Car Rollsign". Photobucket. Metropolitan Transportation Authority. Archived from the original on September 15, 2020. Retrieved September 8, 2019.
"R46 Subway Car Rollsign". Photobucket. Metropolitan Transportation Authority. Archived from the original on September 15, 2020. Retrieved September 8, 2019.
"Service Changes September 30, 1990"(PDF). subwaynut.com. New York City Transit Authority. September 30, 1990. Archived(PDF) from the original on October 26, 2014. Retrieved May 1, 2016.
"Van Wyck Blvd Station"(PDF). www.laguardiawagnerarchive.lagcc.cuny.edu. Metropolitan Transportation Authority. May 1992. Archived(PDF) from the original on August 6, 2021. Retrieved December 28, 2018.
Erlitz, Jeffrey (February 2005). "Tech Talk". New York Division Bulletin. 48 (2). Electric Railroaders Association: 9–11. Archived from the original on August 16, 2016. Retrieved July 10, 2016.