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Riker, James (1904), Harlem: Its Origins and Early Annals, Elizabeth, New Jersey: New Harlem Publishing Company, archived from the original on October 27, 2023, retrieved October 17, 2020
"Harlem in the Old Times"(PDF). The New York Times. January 11, 1880. Archived(PDF) from the original on November 5, 2021. Retrieved December 30, 2012.
"Harlem's Shifting Population". Gotham Gazette. The Citizens Union Foundation. August 27, 2008. Archived from the original on February 12, 2010. Retrieved June 9, 2011.
Powell, Michael. "Harlem's New Rush: Booming Real Estate"Archived April 10, 2005, at the Wayback Machine, The Washington Post, March 13, 2005. Accessed May 18, 2007. "The transformation of this historic capital of Black America has taken an amphetamined step or three beyond a Starbucks, a Body Shop and former president Bill Clinton taking an office on 125th Street."
"Race / Ethnic Change by Neighborhood"(Excel file). Center for Urban Research, The Graduate Center, CUNY. May 23, 2011. Archived from the original on April 17, 2020. Retrieved March 18, 2020.
Cook, Fred J. "The Black Mafia Moves Into the Numbers Racket"Archived December 9, 2017, at the Wayback Machine, The New York Times, April 4, 1971. Accessed December 28, 2016. "In those days, Madame Stephanie St. Clair became known as the "Policy Queen" of Harlem.... Once Dutch Schultz discovered this potential gold mine, he moved in, gang guns blazing. Madame St. Claire, who survived to become a big property owner and business woman in Harlem, fought Schultz from 1931 to 1935."
Wilson, Michael. "Relics of the Bygone (and the Illegal)"Archived December 29, 2016, at the Wayback Machine, The New York Times, March 22, 2013. Accessed December 28, 2016. "Several years later, with the state lottery offering a similar game, runners and numbers bankers openly protested in Manhattan. They feared the legal game would wipe out the rackets and their jobs. They were, for the most part, right.... The few numbers joints that survive do so in part because the payouts are often better than the lottery, the police said."
"P.S. 076 A. Philip Randolph". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"P.S. 092 Mary McLeod Bethune". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"P.S. 123 Mahalia Jackson". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"P.S. 149 Sojourner Truth". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"P.S. 154 Harriet Tubman". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"P.S. 175 Henry H Garnet". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"P.S. 194 Countee Cullen". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"P.S. 197 John B. Russwurm". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"STEM Institute of Manhattan". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.
"Mott Hall High School". New York City Department of Education. December 19, 2018. Archived from the original on March 21, 2019. Retrieved March 21, 2019.