€ 5,00
18 p. Wrs. (Valedictory lect.)
Groningen, Tj. Willink, 1976.
goede
Kampen, Kok, 1975.
Ann Arbor, Univ. of Michigan Press, (1959).
Paris, Bruxelles, Sequoia-Elsevier, (1969).
Berkeley & Los Angeles, University of California Press, 1957.
