(en) Mabel Ward Cameron et Erma Conkling Lee, The biographical cyclopaedia of American women., vol. 1, New York, Halvord Publishing Company, Inc., (lire en ligne)
archive.org
(en) John W. Leonard, Woman's Who's who of America: A Biographical Dictionary of Contemporary Women of the United States and Canada, 1914–1915, American Commonwealth Company, , 470 (lire en ligne)
« harriet burton laidlaw biography. »
books.google.com
(en) Lisa A. Ennis et Tiffany K. Wayne, Women's Rights in the United States: A Comprehensive Encyclopedia of Issues, Events, and People, ABC-CLIO, , 137 p. (ISBN9781610692151, lire en ligne), « Laidlaw, Harriet Burton (1873–1949) »
Antonia Petrash, Long Island and the Woman Suffrage Movement, Arcadia Publishing Incorporated, , 82– (ISBN978-1-61423-964-2, lire en ligne), « Harriet Burton Laidlaw »
Kathy Warnes, Steven Chermak et Frankie Y. Bailey, Crimes of the Centuries : Notorious Crimes, Criminals, and Criminal Trials in American History, ABC-CLIO, , 514– (ISBN978-1-61069-594-7, lire en ligne), « Mann Act (1910) »