D (New York City Subway service) (English Wikipedia)

"Subdivision 'B' Car Assignments: Cars Required November 1, 2021" (PDF). The Bulletin. 64 (12). Electric Railroaders' Association: 3. December 2021. Retrieved December 3, 2021.
Linder, Bernard (October 1968). "Independent Subway Service History" (PDF). New York Division Bulletin. Electric Railroaders' Association.
Linder, Bernard (December 1968). "Independent Subway Service History" (PDF). New York Division Bulletin. Electric Railroaders' Association.

flickr.com

"To Serve You Better..." Flickr. New York City Transit Authority. 1972. Retrieved May 22, 2020.
"To Serve You Better... On The Brighton Line in Brooklyn". Flickr. New York City Transit Authority. 1972. Archived from the original on July 28, 2021. Retrieved July 27, 2021.
"System-Wide Changes In Subway Service Effective Sunday, December 11, 1988". New York City Transit Authority. December 1988. Retrieved June 17, 2016 – via Flickr.

masstransitmag.com

"MTA to begin next phase of concourse line reconstruction on B and D Lines in the Bronx". Mass Transit Magazine. June 13, 2022. Retrieved July 1, 2022.

mta.info

new.mta.info

"D Subway Timetable, Effective June 30, 2024". Metropolitan Transportation Authority. Retrieved June 28, 2024.
"MTA Announces D Train Service Resumes After Fortification and Enhancement of Coney Island Yard Complex". MTA. January 20, 2022. Retrieved July 2, 2022.
"Subway Service Guide" (PDF). Metropolitan Transportation Authority. September 2019. Retrieved September 22, 2019.

mta.info

"B D S Manhattan Bridge Service Change Timetable" (PDF). mta.info. Metropolitan Transportation Authority. April 2003. Archived (PDF) from the original on June 29, 2003. Retrieved April 5, 2019.
"MTA NYC Transit Manhattan Bridge Information". mta.info. Metropolitan Transportation Authority. February 5, 2004. Archived from the original on February 5, 2004. Retrieved September 18, 2016.

web.mta.info

"Mta.info – Line Colors". mta.info.

newspapers.com

"City's Subways Are Complete. 6th Ave. Line Set to Open On Sunday". New York Daily News. December 13, 1940. Retrieved April 5, 2019.
"5 Fast Lines To Coney". New York Daily News. August 18, 1968. Retrieved April 5, 2019.

ny1.com

Rivoli, Dan (June 28, 2022). "MTA to 'refresh' Grand Concourse stations during rehab work". Spectrum News NY1 New York City. Retrieved July 1, 2022.

nytimes.com

"The New Subway Routes". The New York Times. December 15, 1940. ISSN 0362-4331. Retrieved June 20, 2016.
"Adequate Transit Promised For City; Authority Head Writes Mayor and Sharkey Denying Cuts Will Be 'Indiscriminate'". The New York Times. October 29, 1954. p. 25. ISSN 0362-4331. Retrieved April 5, 2019.
"Subway Route Changes Put in Effect; Capacity Increased". The New York Times. November 26, 1967. ISSN 0362-4331. Retrieved July 26, 2017.
Hofmann, Paul (July 1, 1968). "Skip-Stop Subway Begins Run Today; KK Line Links 3 Boroughs --Other Routes Changed". The New York Times. ISSN 0362-4331. Retrieved November 27, 2016.
Johnson, Kirk (December 9, 1988). "Big Changes For Subways Are to Begin". The New York Times. ISSN 0362-4331. Retrieved October 30, 2016.
Belluck, Pam (November 13, 1995). "For Riders, A Bright Spot Amid Tumult". The New York Times. ISSN 0362-4331. Retrieved March 29, 2019.
Ronald Sullivan (March 26, 1995). "Bridge Repairs to Disrupt Off-Peak Subway Service". The New York Times. ISSN 0362-4331. Retrieved July 2, 2016.
"Manhattan Bridge Service Changes". The New York Times. July 21, 2001. Archived from the original on July 3, 2018. Retrieved July 31, 2018.
"A Subway Map Remade, In Hopes of Matching Routes and Riders". The New York Times. February 20, 2004. ISSN 0362-4331. Retrieved June 9, 2014.

timesmachine.nytimes.com

"IND Faster Service Will Start Sunday" (PDF). The New York Times. October 20, 1949. ISSN 0362-4331. Retrieved February 20, 2016.
"Bronx to Coney Ride In New Subway Link" (PDF). The New York Times. October 18, 1954. ISSN 0362-4331. Retrieved February 20, 2016.
Perlmutter, Emanuel (November 16, 1967). "Subway Changes to Speed Service: Major Alterations in Maps, Routes and Signs Will Take Effect Nov. 26" (PDF). The New York Times. ISSN 0362-4331. Retrieved July 7, 2015.

stewartmader.com

Mader, Stewart (June 4, 2015). "NYC Subway Maps Have a Long History of Including PATH, NJ Waterfront". stewartmader.com. Retrieved February 9, 2018.

thejoekorner.com

"Emergency IND Service Water Main Break Halts Service At IND 6Th Avenue 14th St. And 23rd St. Stations". New York City Transit Authority. December 7, 1962. Retrieved April 5, 2019 – via thejoekorner.com.
"New Subway Routes Brochure". New York City Transit Authority. November 1967. Retrieved January 24, 2016 – via thejoekorner.com.
"The JoeKorNer Brochures". Retrieved February 8, 2018.
"Manhattan Bridge Service Changed B D Q ≪Q> W". Metropolitan Transportation Authority. July 2001. Retrieved March 29, 2019 – via The JoeKorner.

web.archive.org

"To Serve You Better... On The Brighton Line in Brooklyn". Flickr. New York City Transit Authority. 1972. Archived from the original on July 28, 2021. Retrieved July 27, 2021.
"B D S Manhattan Bridge Service Change Timetable" (PDF). mta.info. Metropolitan Transportation Authority. April 2003. Archived (PDF) from the original on June 29, 2003. Retrieved April 5, 2019.
"Manhattan Bridge Service Changes". The New York Times. July 21, 2001. Archived from the original on July 3, 2018. Retrieved July 31, 2018.
"B D M N Q R W Weekday Service Manhattan Bridge Map" (PDF). mta.info. Metropolitan Transportation Authority. February 2004. Archived from the original on February 5, 2004. Retrieved September 18, 2016.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
"MTA NYC Transit Manhattan Bridge Information". mta.info. Metropolitan Transportation Authority. February 5, 2004. Archived from the original on February 5, 2004. Retrieved September 18, 2016.
"Subway Service Information". mta.info. Metropolitan Transportation Authority. October 12, 2004. Archived from the original on October 12, 2004. Retrieved June 17, 2016.{{cite web}}: CS1 maint: unfit URL (link)

worldcat.org

"The New Subway Routes". The New York Times. December 15, 1940. ISSN 0362-4331. Retrieved June 20, 2016.
"IND Faster Service Will Start Sunday" (PDF). The New York Times. October 20, 1949. ISSN 0362-4331. Retrieved February 20, 2016.
"Bronx to Coney Ride In New Subway Link" (PDF). The New York Times. October 18, 1954. ISSN 0362-4331. Retrieved February 20, 2016.
"Adequate Transit Promised For City; Authority Head Writes Mayor and Sharkey Denying Cuts Will Be 'Indiscriminate'". The New York Times. October 29, 1954. p. 25. ISSN 0362-4331. Retrieved April 5, 2019.
"Subway Route Changes Put in Effect; Capacity Increased". The New York Times. November 26, 1967. ISSN 0362-4331. Retrieved July 26, 2017.
Perlmutter, Emanuel (November 16, 1967). "Subway Changes to Speed Service: Major Alterations in Maps, Routes and Signs Will Take Effect Nov. 26" (PDF). The New York Times. ISSN 0362-4331. Retrieved July 7, 2015.
Hofmann, Paul (July 1, 1968). "Skip-Stop Subway Begins Run Today; KK Line Links 3 Boroughs --Other Routes Changed". The New York Times. ISSN 0362-4331. Retrieved November 27, 2016.
Johnson, Kirk (December 9, 1988). "Big Changes For Subways Are to Begin". The New York Times. ISSN 0362-4331. Retrieved October 30, 2016.
Belluck, Pam (November 13, 1995). "For Riders, A Bright Spot Amid Tumult". The New York Times. ISSN 0362-4331. Retrieved March 29, 2019.
Ronald Sullivan (March 26, 1995). "Bridge Repairs to Disrupt Off-Peak Subway Service". The New York Times. ISSN 0362-4331. Retrieved July 2, 2016.
"A Subway Map Remade, In Hopes of Matching Routes and Riders". The New York Times. February 20, 2004. ISSN 0362-4331. Retrieved June 9, 2014.