WIA GC/11239 | Warburg, Aby to Neustätter, Otto 01/06/1910 | thanks for the invitation to supply objects to the international exhibition on hygiene; lists... |
WIA GC/11253 | Warburg, Aby to Neustätter, Otto [June 1910] | explains the importance of illustrating public health and immunisation issues with images from... |
WIA GC/11361 | Warburg, Aby to Neustätter, Otto 12/05/1911 | he corrects Neustätter that he did not want to be invited to the official opening of the... |
WIA GC/3463 | Neustätter, Otto to Warburg, Aby 02/05/1910 | Geheimrat Woldemar von Seidlitz mentioned Warburg's name and Neustätter invites him to... |
WIA GC/3464 | Neustätter, Otto to Warburg, Aby 03/06/1910 | thanks him for his communication on the snake man; they would like to include something about the... |