Columbia subject headings:
Harvard subject headings:
Feudalism--Germany
Frederick III, Holy Roman Emperor, 1415-1493.
Germany--History--1273-1517--Sources.
Incunabula--Facsimiles.
Maximilian I, Holy Roman Emperor, 1459-1519.
Princeton subject headings:
Facsimiles.
Feudalism--Germany.
Friedrich II, emperor of Germany, 1415-1493.
Germany--History--1273-1517--Sources.
Incunabula--Facsimiles.
Maximilian I, Holy Roman Emperor, 1459-1519.