Hegel and The Morning ChroniclePETRY M. J.Hegel Studien. 1976, Vol 11, pp 11-80Article

HEGEL'S DIALECTIC AND THE NATURAL SCIENCESPETRY M. J.HEGEL-JAHRBUCH. 1974, Vol P. VOL, pp 452-456Article

Hegel's Philosophy of Nature : Recent DevelopmentsPETRY, M. J.Hegel-Studien. 1988, Vol 23, pp 303-326, issn 0073-1587Article

Spinoza's. Algebraic Calculation of the Rainbow and Calculation of ChancesPETRY, M. J.Archives internationales d'histoire des idées. 1985, Vol 108, pp 7-153, issn 0066-6610Article

Hegel's Criticism of Newton in Hegel StudiesPETRY, M. J.Clio. An Interdisciplinary Journal of Literature, History, and the Philosophy of History Kenosha, Wis. 1984, Vol 13, Num 4, pp 331-348Article

Thomas Hobbes. Thomas Hobbes et les sciences de la naturePETRY, M. J.Wijsgerig Perspectief op Maatschappij en Wetenschap Amsterdam. 1979, Vol 20, Num 1, pp 1-7Article

Hemsterhuis on Mathematics and Optics in The Light of NaturePETRY, M. J.Archives Internationales d'Histoire des Idées La Haye. 1985, Vol 110, pp 209-234Article

Grotius. Hugo GrotiusPETRY, M. J.Wijsgerig Perspectief op Maatschappij en Wetenschap Amsterdam. 1982, Vol 23, Num 3, pp 45-46Article

Le philosophe sur le trône. Alfred le GrandPETRY, M. J.Wijsgerig Perspectief op Maatschappij en Wetenschap Amsterdam. 1981, Vol 22, Num 3, pp 66-74Article

Nemesis DivinaVON LINNE, Carl; PETRY, M. J.Archives internationales d'histoire des idées. 2001, Vol 177, issn 0066-6610, 501 p.Serial Issue

Spinoza's Algebraic Calculation of the Rainbow and Calculation of ChancesSPINOZA, B; PETRY, M. J.Archives internationales d'histoire des idées. 1985, Vol 108, pp 1-159, issn 0066-6610Article