The Metzel Ranch flora of the Upper Ruby River basin, southwestern Montana. [Oligocene]
1972. Reprint: Palaeontographica Bd. 141 B; pp. 1-61, 4 fig. 16 plts. h.t. Orig. wrps. presentation by author on front cover, ends of spine a bit worn, otherwiuse and contents very good, lg4to.
Grundzüge einer pollenanalytischen Gliederung des türkischen Jungtertiärs. (Känozoikum und Braunkohlen der Türkei.4.).
1971. Beihefte zum Geologischen Jahrbuch Heft 113; 46 pp. 4 plts. 1 table h.h. folding-out. Orig. wrps. libr. ticket taped to base of spine, contents very good.