"Lucy Delaney". Gateway Arch National Park, U.S. National Park Service. Retrieved February 3, 2022.
nypl.org
digitalcollections.nypl.org
"Yours truly Lucy A. Delaney, 1870 - 1890". Schomburg Center for Research in Black Culture, Photographs and Prints Division, The New York Public Library Digital Collections. The New York Public Library Digital Collections. Retrieved January 4, 2022.
oxfordreference.com
Garfield, Deborah. "Lucy A. Delaney". Oxford Reference. Retrieved January 30, 2022.