The Following pages are corrections and additions to the Already Published Sections : EPS Mexico Postal Stationery Catalog /

Míreanna comhchosúla

• El Salvador Postal Stationery Handbook : Section 1 - Postcards /
• Radiodifusión de onda corta en México /
  de réir: González, Roberto. Pepe González
• Tarifa postal : vigente a partir del 1o de febrero de 1997 /
• The Postcard Price Guide : A comprehensive Reference /
  de réir: Mashburn, J. L.
• The Whole World Stamp Catalog : Current stamps and postal items from over 200 countries and where to buy them /