Los 9570
PUERTO RICO: GARCIA - LOMAS J.I., Resenainventario de marcas, sellos, pruebas y enteros postales de Puerto Rico comodependencia postal Espanola. Coleccion Hobby, Madrid, 1977, 255 pp. 1st ed., fine used copy with dust jacket. Detailed philatelic handbook to Puerto Rico, written in Spanish, but well illustrated
