33 Challenging Computer Games for TRS-80/Apple/PET Chance, David Ex-Lib

Radio Astronomy for the Amateur by David L. Heiserman (1975, TP) NF-

Computer Art and Animation for the Trs-80

Radio Astronomy for the Amateur by David Heiserman

Green Worlds: Plants And Forest Life Forward by David Attenborough 1975 HC ExLib

The Hand and the Spirit Religious Art in America 1700-1900 ExLib Exhibition 1973

12 Americans Museum of Modern Art ExLib Ernest Briggs James Brooks Sam Francis F

Build Your Own Working Robot by David L. Heiserman (1976, Hardcover)