Epistemological writings : the Paul Hertz/Moritz Schlick centenary edition of 1921 with notes and commentary by the editors / Hermann von Helmholtz ; newly translated by Malcolm F. Lowe ; edited, with an introd. and bibliography, by Robert S. Cohen and Yehuda Elkana. (Boston studies in the philosophy of science ; v. 37) (Synthese library ; 79)
Epistemological writings : the Paul Hertz/Moritz Schlick centenary edition of 1921 with notes and commentary by the editors / Hermann von Helmholtz ; newly translated by Malcolm F. Lowe ; edited, with an introd. and bibliography, by Robert S. Cohen and Yehuda Elkana.
(Boston studies in the philosophy of science ; v. 37) (Synthese library ; 79)