Gent, Erasmus 1927 224pp. + 20 illustrations out-of-text & 1 folding plate + 4pp. theses, with handwritten dedication by the author to Cl(emens) Trefois, text in English, 26cm., softcover (vague trace of removed label at lower end of spine), some occasional foxing, Doctoral dissertation (at the University of Nijmegen), stamp at verso of title page, copy from the collection of prof. Egied I. Strubbe (with his ex-libris), rare, G78006