WIA GC/1881/1 | Ollendorff, Oscar to Warburg, Aby 19/09/1881 | detailed account of his life in Johannisberg; he would prefer, though, to be with him at school |
WIA GC/1882/2 | Ollendorff, Oscar to Warburg, Aby 02/01/1882 | he was very surprised to receive Warburg's New Year greetings; on his holidays; mentions Dr... |
WIA GC/1882/3 | Ollendorff, Oscar to Warburg, Aby 23/03/1882 | he wanted to visit Warburg, but was told that Paul Ollendorff had scarlet fever so that he is not... |
WIA GC/1882/4 | Ollendorff, Oscar to Warburg, Aby [after 23/03/1882] | Dr. Georg Wilhelm Unna said that Paul's scarlet fever would only last four weeks; Ollendorff is... |
WIA GC/1882/5 | Ollendorff, Oscar to Warburg, Aby 28/03/1882 | congratulates him on his exam results with a poem; has Warburg asked Dr. [Gustav] Wendt re... |