WIA GC/26506 | Mooney, James to Warburg, Aby 21/08/1897 | congratulates him on his engagement; Warburg should give Mooney's congratulations also to the... |
WIA GC/28110 | Flügel, Felix to Warburg, Aby 18/10/1898 | advises him to contact the Bureau of American Ethnology for a copy of the Report, since the... |
WIA GC/9599 | Powell, John Wesley to Warburg, Aby 24/11/1895 | forwards as requested copies of annual reports and bulletins |
WIA GC/9630 | Powell, John Wesley to Warburg, Aby 06/01/1896 | forwards as requested copies of Introduction to the study of Indian languages |