A monograph on the Orbitoididae, occurring in the Tertiary of America, compiled in connection with an examination of a collection of larger foraminifera from Trinidad.
1935. Reprint Leidse Geol. Meded. VII; pp. 221-272, 1 fig. 9 plts. Orig. wrps. libr. stamp on cover.
Geology of the Coamo area, Puerto Rico, and its relation to the volcanic arc-trench association.
1971, United States Geological Survey Prof. Pap. 636; 102 pp. 36 fig./phot. 4 fold. plts. w. maps and scetions (3 col.) in pocket. Orig. wrps. spine repaired with tape, libr. stamp on front cover.
Geology of Northwestern Mexico and Adjacent Areas.
2001. Journal of South American Earth Sciences 14; pp. 435-556, many fig./phot. Complete journal issue, extracted from bound volume, without covers, 4to.
Zur Geologie der altvulkanischen Gebirge in El Salvador.
1963. Beihefte zum Geologischen Jahrbuch, Heft 50; 116 pp. 31 fig./phot. 5 fold. plts. with maps and sections in pocket. Orig. wrps. with libr. stamp, very good.
1965. Mém. Carte Géol. France, Dépt. Martinique. 144 pp. 30 fig. 4 photoplts. h.t. 1 fold. & col. geol. map 1:100 000 in pocket. Orig. wrps, libr. stamp in corner of front cover, very good, lg4to.