•
Parmenides; some comments on his poem, 1942. • (with
Jan Hendrik Waszink)
Aristotle on coming-to-be and passing-away; some comments, 1946. • ''Mimesis; Plato's doctrine of artistic imitation and its meaning to us'', 1949. •
Platenatlas bij Homerus, 1955. •
Beknopte bibliographie voor de studie der Griekse taal- en letterkunde, 1960. •
Homer, the educator of the Greeks, 1970. • ''Pindar's Seventh Olympian Ode. A commentary'', 1972 - a new edition published in 1987, see below • (with A. H. M. Kessels)
A concise bibliography of Greek language and literature, 1979. •
A commentary on Hesiod Works and days, 1985. •
Commentaries on Pindar, in 2 vols.: • Vol. 1. Commentaries on Olympian 3, 7, 12, 14 (Brill, Mnemosyne Supplement 97, 1987) • Vol. 2. Commentaries on Olympian 1, 10; Nemean 11; Isthmian 2 (Brill, Mnemosyne Supplement 101, 1988) • A third volume with commentaries on Pythian 1, 8, 10 was proposed in the preface to vol. 1, but never published ==References==