WIA GC/1889/3 | Winkler, August; Kollmann; Seger, Hans and Burmeister, Ernst to Warburg, Aby 01/01/1889 | poem by the 'Four', New Year greetings |
WIA GC/1889/6 | Burmeister, Ernst to Warburg, Aby 30/05/1889 | birthday greetings; he enjoys the term in Breslau; he studies with Professors Lenz, [Max Albert... |
WIA GC/1889/8 | Burmeister, Ernst to Warburg, Aby 21/07/1889 | thanks him for Warburg's photograph and sends him one of his; summer plans; hopes to be able to... |
WIA GC/1906/668 | Warburg, Aby to Seger, Hans 28/08/1906 | Warburg informs him of the project of a Festschrift for Schmarsow, although they have not heard... |
WIA GC/1906/669 | Seger, Hans to Warburg, Aby 16/09/1906 | cannot contribute to the Festschrift |