Sur la flore de deux gisements carbonifère de la zone delphino-helvétique: Carrière d’Héry-sur-Ugine (Vallée de l’Arly); Ardoisières des Posettes (Massif des Aguilles Rouges (France).
2011. Geodiversitas 33-1; 202 pp. 465-468, many fig./phot./plts. Collection of 7 papers in English and 1 in French. In complete journal issue, orig. wrps. very good.
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.