Additions to the flora of the Wilcox Group. [Eocene].
1922, United States Geological Survey, Professional Paper 131-A; pp. 1-20, 18 plts. h.t. No wrps. as issued, libr. sticker taped to corner of title page, 4to.
1950. United States Geological Survey Prof. Pap. 221-D; pp. 45-66, 4 plts. h.t. Orig. wrps. with libr. ticket taped to corner of front cover, contents very good, lg4to.
Cretaceous palynostratigraphy of offshore southeastern Canada.
1978. Geological Survey of Canada Bulletin 297; 19 pp. 5 fig. 3 plts. 1 fold. pl. in pocket. Orig. wrps. small libr. sticker taped to front cover, 4to.
2e Symposium International sur les Algues Fossiles.
1979. Bull. Cent. Rech. Explor.-Prod. Elf Aquitaine 3-2; pp. 385-885, numerous figs./plts. Collection of ca. 50 papers in French or English. Orig. wrps. with libr. stamp.