1 print- 31.4 x 19.7 cm
1942 110 p., 59 figs, 4to, paperbound. Thesis.
1941 110 p., 59 figs, roy. 4to, boards. Library stamps. Published in: Mémoires du Musée Royal d'Histoire Naturelle.
1941 110 p., 59 figs, roy. 4to, paperbound. Unopened copy. Published in: Mémoires du Musée Royal d'Histoire Naturelle.
1962 116 p., 23 plates of b/w drawings, paperbound.