War Secrets in the Ether : the Story of German Code Breaking Successes and Radio Espionage During and Between the World Wars
Laguna Hills, CA: Aegean Park Press, 1994. Revised and edited version of an eaerlier 1977 work. Oversized Paperback. Quarto (over size). Slight wear to edges and corners of covers. Short tear in paper at head of spine. x, 234 p. w/footnotes, tables, and indices on people and titles. More