Finlandia 56 : exposition philatelique internationale
Eurodata Foundation Yearbook 1980 / Eurodata Foundation
Directory of museums of transport and communications / Compil. Gottfried North
Suomen postilaitoksen historia : 1638-1938
Posti eilen - tänään / Postal museum ; dir. Jari Karhu
Eurodata Foundation Yearbook 1988-89 / Eurodata Foundation
Eurodata Foundation Voicebook : April 88 - March 89 / Eurodata Foundation
Filatelian maailmannäyttely / [Finlandia 88]