Geology and paleontology of East Camaguey and West Oriente, Cuba.
1945. Diss. Univ. Utrecht; Publ. Geogr. Min.-Geol. Inst. RU Utrecht, Phys.-Geol. Reeks (2) 7; 75 pp. few figs. 5 plts. (most with microfossils, 1 fold. & col. pl. w. geol. map in pocket. Orig. wrps. small libr. sticker at base of spine, 4to.
1966, Geological Society of America, Memoir 98; 310 pp. 61 fig. 23 plts. 5 fold. maps (4 col.) in pocket. Orig. cloth, gilt, libr. stamp on endpapers and title page.
Outline of the geology and petrology of Surinam (Dutch Guiana).
1931. Diss. Univ. Utrecht. 519 pp. fp. 63 fig. 48 photoplts. h.t. 4 plts. with maps folding-out, 2 fold. maps in pocket. Orig. printed covers, small libr. ticket at base of spine and stamp on title page, otherwise very good, 4to.
1954. Bull. Amer. Ass. Petroleum Geol. 38-1; pp. 1-95, 13 fig. 11 photoplts. In complete journal issue, orig. wrps. spine just a little worn, contents very good.