King, Moses (1893). Kings Handbook of New York City. King's Handbook of New York City: An Outline History and Description of the American Metropolis; with Over One Thousand Illustrations. Moses King. p. 488. Archived from the original on September 10, 2020. Retrieved July 7, 2020.
"Buildings Projected"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 31 (Supplement), no. 793. May 26, 1883. p. 385. Archived(PDF) from the original on July 7, 2020. Retrieved July 9, 2020 – via columbia.edu.
"Alterations"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 73, no. 1875. February 20, 1904. p. 406. Archived(PDF) from the original on July 8, 2020. Retrieved July 9, 2020 – via columbia.edu.
"The Ottendorfer Memorial"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 33, no. 847. June 7, 1884. p. 612. Archived(PDF) from the original on July 8, 2020. Retrieved July 9, 2020 – via columbia.edu.
"Westchester Landmark Sold". New-York Tribune. June 10, 1905. p. 4. Archived from the original on September 10, 2020. Retrieved July 9, 2020 – via newspapers.com .
White, Joyce (March 19, 1984). "Lower E. Side health haven". New York Daily News. p. 107. Archived from the original on September 10, 2020. Retrieved July 9, 2020 – via newspapers.com .
Mason, Bryant (May 12, 1976). "Win Delay on Landmark Action". New York Daily News. p. 293. Archived from the original on September 10, 2020. Retrieved July 9, 2020 – via newspapers.com .
King, Martin (November 10, 1976). "Stuyvesant Polyclinic Safe For Posterity". New York Daily News. p. 143. Archived from the original on September 10, 2020. Retrieved July 9, 2020 – via newspapers.com .
bklyn.newspapers.com
"Mrs. Ottendorfer's Charity". Brooklyn Daily Eagle. May 25, 1884. p. 12. Archived from the original on September 10, 2020. Retrieved July 4, 2020 – via Brooklyn Public Library; newspapers.com .
King, Moses (1893). Kings Handbook of New York City. King's Handbook of New York City: An Outline History and Description of the American Metropolis; with Over One Thousand Illustrations. Moses King. p. 488. Archived from the original on September 10, 2020. Retrieved July 7, 2020.
"Buildings Projected"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 31 (Supplement), no. 793. May 26, 1883. p. 385. Archived(PDF) from the original on July 7, 2020. Retrieved July 9, 2020 – via columbia.edu.
"Mrs. Ottendorfer's Charity". Brooklyn Daily Eagle. May 25, 1884. p. 12. Archived from the original on September 10, 2020. Retrieved July 4, 2020 – via Brooklyn Public Library; newspapers.com .
"Alterations"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 73, no. 1875. February 20, 1904. p. 406. Archived(PDF) from the original on July 8, 2020. Retrieved July 9, 2020 – via columbia.edu.
"Westchester Landmark Sold". New-York Tribune. June 10, 1905. p. 4. Archived from the original on September 10, 2020. Retrieved July 9, 2020 – via newspapers.com .
White, Joyce (March 19, 1984). "Lower E. Side health haven". New York Daily News. p. 107. Archived from the original on September 10, 2020. Retrieved July 9, 2020 – via newspapers.com .
Mason, Bryant (May 12, 1976). "Win Delay on Landmark Action". New York Daily News. p. 293. Archived from the original on September 10, 2020. Retrieved July 9, 2020 – via newspapers.com .
King, Martin (November 10, 1976). "Stuyvesant Polyclinic Safe For Posterity". New York Daily News. p. 143. Archived from the original on September 10, 2020. Retrieved July 9, 2020 – via newspapers.com .
"The Ottendorfer Memorial"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 33, no. 847. June 7, 1884. p. 612. Archived(PDF) from the original on July 8, 2020. Retrieved July 9, 2020 – via columbia.edu.