1. Learning Ability and Disability: an Image Approach;Ahsen,1993
2. Age Projection Test: Short-Term Treatment of Hysterias, Phobias, and other Items;Ahsen,1988
3. Unvividness Paradox: Dynamics of Imagery Formation;Ahsen,2005
4. Eidetics: an overview;Ahsen;J. Ment. Imagery,2010
5. Eidetic Imagery;Allport,1924