Frank James Allen an Ernst Haeckel, Birmingham, 1. November 1898
Mason University College
Nov. 1. 1898.
Sehr geehrter Herr College!
I thank you very much for the photograph from Gabriel Max’s picture, which you kindly sent me.
I shall value it highly, both for its own interest, and for the take of the sender.
F. J. Allen
Herrn Professor Dr. Haeckel.