Tolong jelaskan mengenai Rujukan dari Prusia Timur dalam bahasa melayu

Brandenburg Prince-Electors co-inheritors 1568, co-regent 1577

East and West Prussia Gazetteer

Ostpreußen Info - East Prussia Information

East- and West Prussia in Photos

Spuren der Vergangenheit / Следы Пρошлого (Traces of the past) This site by W.A. Milowskij, a Kaliningrad resident, contains hundreds of interesting photos, often with text explanations, of architectural and infrastructural artifacts of the territory's long German past.

German Empire: Province of East Prussia