WIA FC/1910/4/20 | Warburg, Aby to Warburg, Mary 09/04/1910 | he will leave Venice for Ferrara on 12/04/1910 and go to Bologna the same day, Hotel Brun; he... |
WIA FC/1910/4/27 | Warburg, Mary to Warburg, Aby 11/04/1910 | forwards a letter by [B.] Nogara; no post from [H.O.] Lange in Copenhagen, but the rare book... |
WIA GC/1892/19 | Hartz, Otto to Warburg, Aby 16/01/1892 | could Warburg lend him a book by [Hans Ostenfeld? or J. Konrad F.W. von?] Lange?; he did not want... |
WIA GC/1903/126 | Warburg, Aby to Goldschmidt, Adolph 09/08/1903 | further to their conversation on Lehrter train station [Berlin], he explains the directions of... |
WIA GC/1905/656 | Zucker, Markus to Warburg, Aby 01/04/1905 | supplies bibliographical references fort the engraving 'Der große Satyr'; mentions [H.O.?] Lange... |