WIA GC 1930/2285 | Neumann, Carl to KBW [1930] | expresses his thanks |
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/1904/235 | Neumann, Carl to Warburg, Aby 14/12/1904 | thanks him for his very interesting contribution to 'Jahrbuch der k. preußischen Kunstsammlungen' |
WIA GC/1905/416 | Neumann, Carl to Warburg, Aby 03/05/1905 | thanks him for the article 'Austausch'; he has nearly finished his research on the Florentine... |
WIA GC/1905/417 | Neumann, Carl to Warburg, Aby 18/09/1905 | thanks him for the plates accompanying the Dürer lecture |