De Rijk 1963:
'On the Curricxulum of the Arts of the Trivium at St. Gall from c. 850-c. 1000', Vivarium 1 (1963), pp. 35-86.
De Rijk 1966,
PDF
'Some New Evidence on Twelfth-Century Logic', Vivarium 4 (1966), pp. 1-57;
Pdf (17.7KB)
De Rijk 1967:
Logica modernorum: A Contribution to the History of Early Terminist Logic vol. II 2 parts, Assen 1967.
De Rijk 1970:
Petrus Abaelardus: Dialectica, First Complete Edition of the Prisian Manuscript with an Introduction, Assen 1970.