کتاب های Robert J. Ackerman
Abilities, motivation, and methodology
Ruth Kanfer; Phillip Lawrence Ackerman; Robert Cudeck, 1989
Ywain: The Knight of the Lion
Chrétien de Troyes, Robert W. Ackerman, Frederick W. Locke (transl.), 1957
The Myth and Ritual School: J.G. Frazer and the Cambridge Ritualists
Robert Ackerman, 2002
Fiice perfecte. Fiicele adulte ale alcoolicilor
Robert J. Ackerman, 2016
Development of Mathematics in the 19th Century
Felix Klein (Author), Robert Hermann (Creator), M. Ackerman (Translator), 1979
