John S. Stark and Alfred G. Boerger books & textbook
Luminescent U.S. Stamps
John S. Stark and Alfred G. Boerger
S.P.A. Journal Reprint /1965T Staple Bound / 58 Pages
Handbook on U.S. Luminescent Stamps
Alfred G. Boerger and John S. Stark
Alfred G. Boerger /1970T Paperback / 112 Pages
