Siam. Bibliografía

1979. THE POSTAGE STAMPS OF SIAM TO 1940, A DESCRIPTIVE CATALOG. Richard Frajola. Postilion Publications. Danbury, 1979.

Traducciones automáticas

1979. THE POSTAGE STAMPS OF SIAM TO 1940, A DESCRIPTIVE CATALOG. Richard Fragola. Postilion Publications. Danbury, 1979.