On a collection of birds made by Dr. Ernst Mayr in northern Dutch New Guinea
Hartert, Ernst, 1859-1933; Mayr, Ernst, 1904-2005. My Dutch New Guinea expedition, 1928; Hartert, Ernst, 1859-1933. List of the birds collected by Ernst Mayr; Mayr, Ernst, 1904-2005, former owner. DSI; Ripley, S. Dillon (Sidney Dillon), 1913-2001, former owner. DSI