Cheever, Susan (2006). American Bloomsbury; Louisa May Alcott, Ralph Waldo Emerson, Margaret Fuller, Nathaniel Hawthorne, and Henry David Thoreau: Their Lives, Their Loves, Their Work. New York, NY: Simon & Schuster. ISBN 978-0-7432-6461-7. Eiselein, Gregory and Anne K. Phillips (eds.) (2001). The Louisa May Alcott Encyclopedia. Greenwood Press; online in ebrary, also available in print ed. ISBN 0-313-30896-9. OCLC 44174106.CS1 maint: Extra text: authors list (link)