Howe, Julia Ward (1 de janeiro de 1900). Reminiscences: 1819–1899. [S.l.]: Houghton Mifflin Company – via Internet Archive
books.google.com
Leigh, Eric Schmidt (1997). Princeton University Press, ed. Consumer Rites: The Buying and Selling of American Holidays reprint, illustrated ed. [S.l.: s.n.] pp. 252, 348 (footnote 17 of chapter 5). ISBN0-691-01721-2 citing Deborah Pickman Clifford, Mine Eyes Have Seen the Glory: A Biography of Julia Ward Howe (Boston: Little, Brown, 1979), 187, 207, and Julia Ward Howe, "How the Fourth of July Should Be Celebrated", Forum 15 (July 1983); 574
Virginia Bernhard (2002). «Mother's Day». In: Joseph M. Hawes, Elizabeth F. Shores. The family in America: an encyclopedia 3, illustrated ed. [S.l.]: ABC-CLIO. p. 714. ISBN1-57607-232-0