(en-US) Robert McHenry (dir.), A Documentary History of Conservation in America, Praeger, , 422 p. (ISBN9780275282486),
(en-US) Robert McHenry (dir.), Webster's American Biographies, Merriam-Webster, , 1254 p. (ISBN9780877791539, lire en ligne),
(en-US) Robert McHenry (dir.), Webster's American Military Biographies: The Stories of 1000 Military Figures, G. & C. Merriam Company, , 568 p. (ISBN9780877790631, lire en ligne)
(en-US) Robert McHenry (dir.), Famous American Women: A Biographical Dictionary from Colonial Times to the Present, Dover Publications, , 514 p. (ISBN9780486245232, lire en ligne),
(en-US) Robert McHenry (dir.), The New encyclopaedia Britannica, Encyclopaedia Britannica, , 32 030 (ISBN9780852295717),
(en-US) Robert McHenry (dir.), The New Encyclopedia Britannica, Encyclopaedia Britannica, (ISBN9780852296059),
(en-US) Robert McHenry, How to Know, Booklocker.com, , 152 p. (ISBN9781591135234),
(en-US) Robert McHenry, Needless to Say..., Outskirts Press, , 614 p.,