Autograph document signed.
No place, [c. 1949].
Oblong small 8vo (87:132 mm). 1 p.
€ 3,500.00
A statement to Arthur Keith's "A New Theory of Human Evolution" (London 1948): "It really is a theory of the evolution of ethics. It is quite sufficient to read two or three of the essays. They all say virtually the same. / Erwin".
In pencil.
