Mathematical investigations in the theory of value and prices
2. print., New Haven, Conn. [u.a.] : Yale Univ. Press [u.a.], 1926[MS 106 - Brief Fishers an Schulze-Gävernitz]
New Haven, November 11, 1932[MS 104 - Brief Fishers an Schulze-Gävernitz]
New Haven, November 28, 1931[MS 105 - Brief Fishers an Schulze-Gävernitz]
New Haven, December 16, 1931