52nd Street station (IRT Flushing Line) (English Wikipedia)

Friedlander, Alex; Lonto, Arthur; Raudenbush, Henry (April 1960). "A Summary of Services on the IRT Division, NYCTA" (PDF). New York Division Bulletin. 3 (1). Electric Railroaders' Association: 2–3. Archived (PDF) from the original on September 14, 2020. Retrieved January 27, 2021.

fultonhistory.com

"Move for Rapid Transit" (PDF). Newtown Register. December 2, 1909. p. 1. Retrieved September 30, 2017 – via Fultonhistory.com.
"TA to Show Fair Train". Long Island Star – Journal. August 31, 1963. Retrieved August 30, 2016 – via Fulton History.

issuu.com

"R17s to the Flushing Line". New York Division Bulletin. 5 (6). Electric Railroaders' Association: M-8. December 1962 – via Issu.

mta.info

new.mta.info

"Annual Subway Ridership (2018–2023)". Metropolitan Transportation Authority. 2023. Retrieved April 20, 2024.
"MTA Announces Service Changes on 7 Line Beginning May 12". Metropolitan Transportation Authority. April 21, 2023. Archived from the original on April 22, 2023. Retrieved April 22, 2023.
"Improving the 7 Line". Metropolitan Transportation Authority. March 9, 2023. Archived from the original on March 25, 2023. Retrieved April 22, 2023.

web.mta.info

"Glossary". Second Avenue Subway Supplemental Draft Environmental Impact Statement (SDEIS) (PDF). Vol. 1. Metropolitan Transportation Authority. March 4, 2003. pp. 1–2. Archived from the original (PDF) on February 26, 2021. Retrieved January 1, 2021.

nycsubway.org

"www.nycsubway.org: IRT Flushing Line". www.nycsubway.org. Retrieved February 28, 2016.

nytimes.com

"Transit Service on Corona Extension of Dual Subway System Opened to the Public". The New York Times. April 22, 1917. p. RE1. Retrieved October 2, 2011.
"City Transit Unity Is Now a Reality; Title to I.R.T. Lines Passes to Municipality, Ending 19-Year Campaign". The New York Times. June 13, 1940. ISSN 0362-4331. Archived from the original on January 7, 2022. Retrieved May 14, 2022.
Bennett, Charles G. (November 20, 1949). "Transit Platforms On Lines In Queens To Be Lengthened; $3,850,000 Program Outlined for Next Year to Care for Borough's Rapid Growth New Links Are To Be Built 400 More Buses to Roll Also — Bulk of Work to Be on Corona-Flushing Route Transit Program In Queens Outlined". The New York Times. ISSN 0362-4331. Retrieved April 29, 2018.

timesmachine.nytimes.com

"Direct Subway Runs To Flushing, Astoria" (PDF). The New York Times. October 15, 1949. ISSN 0362-4331. Retrieved October 7, 2017.

proquest.com

"Transit Unification Completed As City Takes Over I. R. T. Lines: Systems Come Under Single Control After Efforts Begun in 1921; Mayor Is Jubilant at City Hall Ceremony Recalling 1904 Celebration". New York Herald Tribune. June 13, 1940. p. 25. ProQuest 1248134780.
"37 Platforms On Subways To Be Lengthened: All Stations of B. M. T. and I.R.T.in Queens Included in $5,000,000 Program". New York Herald Tribune. November 20, 1949. p. 32. ISSN 1941-0646. ProQuest 1325174459.
"A First-class Rapid Ride". Railway Age. Vol. 156, no. 21. June 1, 1964. p. 22. ProQuest 895766286.

subwaynut.com

Cox, Jeremiah. "52 Street-Lincoln Av (7) - The SubwayNut". www.subwaynut.com. Archived from the original on January 5, 2018. Retrieved February 28, 2016.

sunnysidepost.com

Murray, Christian (November 19, 2019). "MTA To Overhaul Six Stations on the 7 Line, Currently in Design Phase". Sunnyside Post. Retrieved April 29, 2020.
Andres, Czarinna (June 23, 2025). "Travel advisory: Manhattan-bound 7 trains now skipping 69th and 52nd Street stations through early 2026". Sunnyside Post. Retrieved June 25, 2025.

thecity.nyc

"Come rain or come heat, New Yorkers come out to the polls". THE CITY - NYC News. June 23, 2025. Retrieved June 23, 2025.

web.archive.org

"Glossary". Second Avenue Subway Supplemental Draft Environmental Impact Statement (SDEIS) (PDF). Vol. 1. Metropolitan Transportation Authority. March 4, 2003. pp. 1–2. Archived from the original (PDF) on February 26, 2021. Retrieved January 1, 2021.
"City Transit Unity Is Now a Reality; Title to I.R.T. Lines Passes to Municipality, Ending 19-Year Campaign". The New York Times. June 13, 1940. ISSN 0362-4331. Archived from the original on January 7, 2022. Retrieved May 14, 2022.
Brown, Nicole (May 17, 2019). "How did the MTA subway lines get their letter or number? NYCurious". amNewYork. Archived from the original on March 2, 2021. Retrieved January 27, 2021.
Friedlander, Alex; Lonto, Arthur; Raudenbush, Henry (April 1960). "A Summary of Services on the IRT Division, NYCTA" (PDF). New York Division Bulletin. 3 (1). Electric Railroaders' Association: 2–3. Archived (PDF) from the original on September 14, 2020. Retrieved January 27, 2021.
Minutes and Proceedings of the New York City Transit Authority. New York City Transit Authority. 1955. Archived from the original on September 13, 2020. Retrieved August 31, 2016.
"MTA Announces Service Changes on 7 Line Beginning May 12". Metropolitan Transportation Authority. April 21, 2023. Archived from the original on April 22, 2023. Retrieved April 22, 2023.
"Improving the 7 Line". Metropolitan Transportation Authority. March 9, 2023. Archived from the original on March 25, 2023. Retrieved April 22, 2023.
Cox, Jeremiah. "52 Street-Lincoln Av (7) - The SubwayNut". www.subwaynut.com. Archived from the original on January 5, 2018. Retrieved February 28, 2016.

worldcat.org

search.worldcat.org

"City Transit Unity Is Now a Reality; Title to I.R.T. Lines Passes to Municipality, Ending 19-Year Campaign". The New York Times. June 13, 1940. ISSN 0362-4331. Archived from the original on January 7, 2022. Retrieved May 14, 2022.
"Direct Subway Runs To Flushing, Astoria" (PDF). The New York Times. October 15, 1949. ISSN 0362-4331. Retrieved October 7, 2017.
Bennett, Charles G. (November 20, 1949). "Transit Platforms On Lines In Queens To Be Lengthened; $3,850,000 Program Outlined for Next Year to Care for Borough's Rapid Growth New Links Are To Be Built 400 More Buses to Roll Also — Bulk of Work to Be on Corona-Flushing Route Transit Program In Queens Outlined". The New York Times. ISSN 0362-4331. Retrieved April 29, 2018.
"37 Platforms On Subways To Be Lengthened: All Stations of B. M. T. and I.R.T.in Queens Included in $5,000,000 Program". New York Herald Tribune. November 20, 1949. p. 32. ISSN 1941-0646. ProQuest 1325174459.