WIA GC/1886/2 | Kelter, Edmund to Warburg, Aby 09/06/1886 | informs him of Latin and Greek homework and dates for exams |
WIA GC/1887/5 | Kelter, Edmund to Warburg, Aby 06/10/1887 | requests information when Warburg would be leaving for Bonn; he will meet him at [Hans?] Johst's |
WIA GC/1887/6 | Kelter, Edmund to Warburg, Aby 18/10/1887 | informs him of travel arrangements to Cologne; requests [Paul] Ruben's address |
WIA GC/1890/30 | Schütt, Richard and Kelter, Edmund to Warburg, Aby 18/09/1890 | a poem by the author and his friend describing a drinking session; reminds Warburg of the... |
WIA GC/1905/275 | Kelter, Edmund to Warburg, Aby 14/03/1905 | requests Warburg's help with palaeographical abbreviations |