WIA GC/1895/AMERICA/1 | Adler, Cyrus to Warburg, Aby 01/11/1895 | hopes to see him again in Washington at the Cosmos Club; greetings to Mr. and Mrs. [Jacob Schiff... |
WIA GC/1895/AMERICA/56 | Howard, L. O. to Warburg, Aby 23/10/1895 | at the request of Cyrus Adler the Board of Management of the Cosmos Club accepts Warburg as... |
WIA GC/1912/2 | Adler, Cyrus to Warburg, Felix 24/01/1912 | recommendation for Professor [Franz] Cumont from Belgium |
WIA GC/1926/1 | Warburg, Aby to Adler, Cyrus 23/07/1926 | thanks him enthusiastically for coming to the library with his family; explains his work, his... |
WIA GC/1926/2 | Adler, Cyrus to Warburg, Aby 27/07/1926 | thanks him for the gift of books from the Bibliothek Warburg; shares his view on the 'great... |