1. Cosmic engineers Title: Cosmic engineers Date: 1964. Author: Simak, Clifford D., 1904-1988, author. Collecting Area: Rare Books Call number: PS 3537 I54 C67X 1964 LOCAL
2. Ring around the sun Title: Ring around the sun Date: 1967. Author: Simak, Clifford D., 1904-1988, author. Collecting Area: Rare Books Call number: PS 3537 I54 R56X 1967 LOCAL