€ 5,00
32 p. Wrs. (Inaug. lecture)(St. on title)
Amst., Swets & Zeitlinger, 1942.
vrijheidsbeperking
Wiesbaden, Löwit, (1964).
Chicago, Argonaut, 1967.
Lausanne, Guilde du Livre, (1964).
Athens, 1972.