A digital photographer's guide to model releases : making the best business decisions with your photos of people, places and things

by Heller, Dan
Published 2008

XView programming manual

by Heller, Dan
Published 1991

XView reference manual

by Heller, Dan
Published 1991

Motif programming manual : for OSF/Motif release 1.2

by Heller, Dan, Ferguson, Paula M.
Published 1993