Edited, handwritten text of Altenberg and Muller notebook, "Principles of Heredity", 1914
Muller's manuscript of a projected genetics text with Altenberg (1 of 2), c.1912
Muller's manuscript of a projected genetics text with Altenberg (2 of 2), c. 1912
Original notes for projected text with Altenberg, 1913 - 1914