Constantourakis, George History of Maximaphily 极限集邮的历史
Rangos, Nicos "Europa Nostra 1901-1940 欧罗巴 1901-1940"
Antoniou, Georghios Going through the European Castles 欧洲城堡之旅
Ianconici, Leon Predecessors of the Modern Maximaphily (1894-1930)
现代极限集邮的先驱 1894-1930
Maes, Norbert Chronicle of Luxembourg City 卢森堡城编年史
Xharo, Nikolla Famous Russian Cosmonauts 苏联著名宇航员