Article Klauss, Klaus (1981)
Ein neuentdecktes frühes Dokument zur Geschichte der Erfindung des Augenspiegels durch Hermann v. Helmholtz. NTM: Zeitschrift für Geschichte der Naturwissenschaften, Technik und Medizin (pp. 58-61). (/isis/citation/CBB000010057/) unapi

Thesis Meijering, Theodoor C. (1981)
Naturalistic epistemology: Helmholtz and the rise of a cognitive theory of perception. (/isis/citation/CBB001563850/) unapi

Article Bierhalter, Günter (1981)
Zu Hermann von Helmholtzens mechanischer Grundlegung der Wärmelehre aus dem Jahre 1884. Archive for History of Exact Sciences (pp. 71-84). (/isis/citation/CBB000010874/) unapi

Chapter Pastore, Nicholas (1978)
Helmholtz on the projection or transfer of sensation. In: Studies in perception: Interrelations in the history of philosophy and science (p. 355). (/isis/citation/CBB000016066/) unapi

Article Richards, Joan L. (1977)
The evolution of empiricism: Hermann von Helmholtz and the foundations of geometry. British Journal for the Philosophy of Science (pp. 235-253). (/isis/citation/CBB000022478/) unapi

Article Turner, R. Steven (1977)
The Ohm-Seebeck dispute, Hermann von Helmholtz, and the origins of physiological acoustics. British Journal for the History of Science (pp. 1-24). (/isis/citation/CBB000025963/) unapi

Book Helmholtz, Hermann von (1977)
Epistemological writings. The Paul Hertz/Moritz Schlick centenary edition of 1921, with notes and commentary by the editors. Newly translated by Malcolm F. Lowe. Edited, with an introduction and bibliopraphy, by Cohen, Robert S. and Elkana, Yehuda. (/isis/citation/CBB000016031/) unapi

Article Turner, R. Steven (1977)
Hermann von Helmholtz and the empiricist vision. Journal of the History of the Behavioral Sciences (pp. 48-58). (/isis/citation/CBB000022069/) unapi

Article Mayer, Daniel (1976)
K objevu tzv. Théveninovy věty. (On the discovery of the so-call Thévenin theorem.). DVT, Dějiny věd a techniky (pp. 240-242). (/isis/citation/CBB000020426/) unapi

Article Bringmann, Wolfgang; Bringmann, Gottfried; Cottrell, David (1976)
Helmholtz und Wundt an der Heidelberger Universität, 1858-1871. Hegel Jahrbuch (pp. 79-88). (/isis/citation/CBB000000413/) unapi

Article Heimann, P. M. (1974)
Helmholtz and Kant: The metaphysical foundations of Über die Erhaltung der Kraft. Studies in History and Philosophy of Science (pp. 205-238). (/isis/citation/CBB000018307/) unapi