€ 46,00
2 volumes: 248; 336 p. Wrappers 23 cm (Rebacked)
Frankfurt, Klostermann, 1934 – 1935.
epochen
Den Haag, Stok/Forum, n.d.
Ann Arbor, Univ. of Michigan Press, (1959).
Kampen, Kok, 1975.
Berkeley & Los Angeles, University of California Press, 1957.
