BEIN Pforzheimer Intelligence 4499: Paperbound. Accompanied by typed letter from Harry E. Soyster, 27 December 1984. From the library of Walter L. Pforzheimer.
BEIN Pforzheimer Intelligence 4500: Accompanied by complimentary card of the publisher, 27 June 1985. Accompanied by typed letter from Harry E. Soyser, 27 December 1984. From the library of Walter L. Pforzheimer.
BEIN 2016 215: Paperbound. From the library of Robin W. Winks.