, 1971a, Review: , , Revue philosophique de Louvain 69 (1), pp. 156-157.
, 1971b, Review: , , Revue philosophique de Louvain 69 (1), pp. 157-159.
, 1970a, Review: , , Revue philosophique de Louvain 68 (99), pp. 406-406.
, 1970b, Review: , , Revue philosophique de Louvain 68 (100), pp. 550-551.
, 1970c, Review: , , Revue philosophique de Louvain 68 (98), pp. 278-278.
, 1970d, Review: , , Revue philosophique de Louvain 68 (97), pp. 124-124.
with van Drooghenbroeck, J. , 1969a, Review: , , Revue philosophique de Louvain 67 (94), pp. 343-344.
with van Drooghenbroeck, J. , 1969b, Review: , , Revue philosophique de Louvain 67 (95), pp. 503-504.
, 1968a, Review: , , Revue philosophique de Louvain 66 (89), pp. 133-134.
, 1968b, Review: , , Revue philosophique de Louvain 66 (89), pp. 140-141.
, 1968c, Review: , , Revue philosophique de Louvain 66 (91), pp. 547-548.
, 1968d, Review: , , Revue philosophique de Louvain 66 (91), pp. 546-546.
, 1968e, Review: , , Revue philosophique de Louvain 66 (89), pp. 131-132.
, 1967a, Review: , , Revue philosophique de Louvain 65 (88), pp. 564-566.