Robert Louis Stevenson | Robert De Niro | Robert E. Lee | Robert Mugabe | Robert Redford | Robert Burns | Robert Bosch GmbH | Robert | Robert A. Heinlein | Robert Schumann | Robert Browning | Robert Rauschenberg | Robert Plant | Robert Altman | Robert Mitchum | Robert Frost | Robert Southey | Robert F. Kennedy | Robert Maxwell | Robert Graves | Robert E. Howard | Robert Fripp | Robert Fisk | Robert Rodriguez | Robert Motherwell | Robert Lowell | Robert Johnson | Robert Duvall | Robert Boyle | Robert Walpole |
Those listed as contributors to the study included Frank A. Beach, Irving Bieber, Wainright Churchill, Albert Ellis, Paul Gebhard, Evelyn Hooker, Laud Humphreys, Judd Marmor, Wardell Pomeroy, Edward Sagarin, Robert Stoller, Clarence Tripp, and Colin J. Williams.