General theory of law and state1928
(Die philosophischen Grundlagen der Naturrechtslehre und des Rechtspositivismus)
by Hans Kelsen
"Intended to reforumulate ... thoughts and ideas previously expressed in German and in French" in the author's Allgemeine Staatslehre (1925), Théorie général du droit international public (1928) and Reine Rechtslehre (1934)--Preface.
— from OpenLibrary
9 editions at OpenLibrary