Schomburg Center for Research in Black Culture, Photographs and Prints Division, The New York Public Library. "Prospectus for an anti-slavery paper. To be entitled North Star." The New York Public Library Digital Collections.

Schomburg Center for Research in Black Culture, Photographs and Prints Division, The New York Public Library. “Prospectus for an anti-slavery paper. To be entitled North Star.” The New York Public Library Digital Collections.