Postmarks

When living hurts: a lively what-to-do book for yourself or someone you care about who feels discouraged, sad, lonely, hopeless, angry or frustrated, unhappy or bored, depressed, suicidal

Sol Gordon.

Arabian Gulf States postal history

[compiled and reissued by Alastair Gunn]

The companion guide to Muskoka District post offices, 1861-1999

Susan M. Sheffield.

California postmarks (to 1935).

by John Williams.

The early postal history of Saudi Arabia: handbook and valuation guide

Jakob von Uexkull

Slogan postmarks of the United Kingdom.

Cyril Russell Hamilton Parsons

The George Walcott collection of used civil war patriotic covers

catalog compiled by Robert Laurence.

Spezialkatalog "Postkriegs-Belege": beanstandete Postwertzeichen und Werbestempel "Berliner Postkrieg," Luftbrücke Berlin

von Dedo Burhop.

The postal history of the Korean War, 1950-1953

by Robert W. Collins ; [edited by Gary N. McLean]

PTT Genel Müdürlüğü İstanbul PTT Müzesi koleksiyonları damga ve mühürler kataloğu: General Directorate of PTT Istanbul PTT Museum collections hand stamp and stamp catalogue

editör: Orhan Sakin