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Vol. 2: Studies in social theory / edited and introduced by Arvid Brodersen. 1964. xv, 300 p.

Vol. 3: Studies in phenomenological philosophy / edited by I. Schutz ; with an introduction by Aron Gurwitsch. 1966. xxxi, 191 p.

Vol. 4: edited with preface nad notes by Helmut Wagner and George Psathas ; in collaboration with Fred Kersten. Dordrecht : Kluwer, 1996. xv, 284 p.