1
by Laufs, Manfred
Published 1980
...Kölner Historische Abhandlungen...
Book
2
by Lemberg, Hans
Published 1963
...Kölner historische Abhandlungen...
Book
3
Published in Hardenberg (1963)
...Kölner historische Abhandlungen...
Book
4
by Jakobs, Hermann
Published 1968
...Kölner historische Abhandlungen...
Book