WIA GC 1930/604
Clemen, Paul to Warburg, Aby 10/03/1930
WIA GC 1930/605
[Bing, Gertrud] to Clemen, Paul 06/08/1930
WIA GC 1931/415
Clemen, Paul to Saxl, Fritz 08/07/1931
WIA GC 1931/416
Saxl, Fritz to Clemen, Paul 17/07/1931
WIA GC/10253
Warburg, Aby to Clemen, Paul 28/08/1905
thanks him for a letter; urges him to stop in Hamburg on his journey from Fanö to Cologne; on the...