Luijpen, W. Phenomenology of natural law by William A. Luijpen, [translated from the author's Dutch MS by Henry J. Koren] - Pittsburgh Duquesne University Press [1967] - 249 p. 26 cm. - Duquesne studies. 22 . Bibliographical footnotes. LCCN: 67017123 Subjects--Topical Terms: Natural lawLaw--Philosophy. Dewey Class. No.: 340/.1