The Perils of Peace: Conversion to What? by Donald William Cox; Chilton Books, 1965.
Galley, ch 1-8
The Joseph Priestley Science Center: A Feasibility Study of A Proposed Supplementary Science Center for the Lower Delaware Valley by Donald William Cox; School District of Philadelphia, 1966.
Spacepower: What It Means To You by Donald William Cox and Michael Stoiko; Winston, 1958.
Stations in Space by Donald Cox; Holt, Rinehart & Winston, 1960.
Illustrations ["Life on a Space Station"]
Manuscript ["Life on a Space Station"]
Man In The Universe: What You Should Know About Our Solar System by Michael Stoiko and Donald Cox; Winston, 1959.
The Space Race: From Sputnik to Apollo, and Beyond by Donald W. Cox; Chilton Books, 1962.
Proof for title page, forward, and acknowledgement
Book jacket (2)
Islands in Space: The Challenge of the Planetoids by Dandridge M. Cole and Donald William Cox; Chilton Books, 1964.
"Predicting Our Future in Space" (ch 3)
Captions and positioning for art
Page proofs for preface
Table of contents
"Astronaut's Book" by Donald Cox [publication information unknown]
"Space View From Midcity..." by Donald W. Cox (1964)
Published article from Center City Philadelphian
Photographs of Donald Cox