Sassone, katalog over italienske frimærker vol. 1 fra de gamle stater til kongeriget, kolonierne, Trieste A, San Marino, Vatikanet og Smom. Nyt katalog
Sassone catalogue of Italian stamps, volume 1. Covers Italian stamps from the old states to the kingdom, the colonies, Trieste A, San Marino, the Vatican and Smom.
