Vapor Deposition. Edited by Carroll F. Powell, Joseph H. Oxley, John M. Blocher, Jr., Etc. [By Various Authors. With Illustrations.].
Vapor Deposition, Edited by Carroll F. Powell, Joseph H. Oxley [and] John M. Blocher, Jr. Sponsored by the Electro-chemical Society, New York
Vapor-plating: the Formation of Coatings by Vapor-deposition Techniques , by C. F. Powell, I. E. Campbell, and B. W. Gonser [of] Battelle Memorial Institute
Results of Final Examinations, 1938 : First Year Degree, OAC Review, V.50, No.7, April-May 1938, Pages 438-439