Mathematical investigations in the theory of value and prices
2. print., New Haven, Conn. [u.a.] : Yale Univ. Press [u.a.], 1926- Das Dokument ist nur im Netz der Bibliothek verfügbar.
[MS 101 - Brief Drages an Schulze-Gävernitz]
NewHaven Court, Cromer, July 19th. 1906 [MS 104 - Brief Fishers an Schulze-Gävernitz]
New Haven, November 28, 1931[MS 105 - Brief Fishers an Schulze-Gävernitz]
New Haven, December 16, 1931[MS 106 - Brief Fishers an Schulze-Gävernitz]
New Haven, November 11, 1932