Morphological studies on the Echinoidea Holectypoida and their allies.
1917. The Geological Magazine (VI), vol. IV, No. X; pp. 160-168, 196-205 & 249-256, 2 plts. h.t. Orig. extract, stapled, 1 page with small tear, otherwise very good.
Notes on a new collection of fossil echinoidea from Jamaica.
1924. The Geological Magazine LXI-VII; pp. 312-324, 1 plt. h.t. In complete journal issue (pp. 289-336), without covers, libr. stamp, as such very good.
Mikropaläontologische Untersuchungen an Ophiuren. V. Die Ophiuren aus dem Argovien (Unteres Ober-Oxford) vom Guldenthal (Kt. Solothurn) und von Savigna (Dépt. Jura).
1966. Eclogae geologicae Helvetiae Vol. 59-2; pp. 1025-1064, 106 fig. Orig. extract, stapled, very good.