M. Limbourg, S. J., De Distinctione tis Creati Inter cedente, Naples 1906;

Essentiae ab Existentia, Ratisbonae John Rickaby, S. J., General Meta-
1883; Urraburu, S. J., Ontologia, physics (Stonyhurst Series), pp. 27
pp. 704 sqq., Vallisoleti 1891; Al- sqq., 59 sqq. Fr. Rickaby (ibid., p.
phons Lehmen, S. J., Lehrbuch der 28) gives quotations to show that
Philosophie auf aristotelisch-schola- the problem of essence and existence
stischer Grundlage, Vol. I, and ed., is not a subtlety peculiar to Scho-
PP- 334 sqq., Freiburg 1904; A. lasticism, but was hotly discussed
Rittler, Wesenheit und Dasein in by authors of various philosophical
den Geschopfen nach der Lehre des schools {e. g., Hume, Locke, Brad-