Bibliografía

Automatically generated translation

English (1974ca). BULLETIN OF THE PHILIPPINE IBEROAMERICAN ACADEMY OF POSTAL HISTORY. Official publication of the General Directorate of Posts and Telecommunications. Eight Volumes: July-December 1974, January-June 1975, July-December 1975, January-June 1977, January-June 1978, January-December 1982, January-December 1984 and January-October 1985.

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