Stratigraphie und Fauna des älteren Paläozoikums (Silur, Devon) in Paraguay.
1961. Geol. Jb. 78; pp. 29-102, 10 fig./phot. 6 plts. h.t. with fossils (brachiopods, trilobites, molluscs). Plain wrps. stapled extract, margins of pages a bit browned, otherwise very good.
Lower Pliocene mollusks and echinoids from the Los Angeles Basin, California and their inferred environment.
1938. US Geol. Surv. Prof. Paper 190; 67 pp. 2 fig. 4 plts. h.t. with maps and graphs folding-out, 5 plts. h.t. with molluscs. Orig. cloth, gilt on spine, stamps on endpaper and title page, otherwise very good, 4to.
1923. Jahrbuch der Preußischen Geologischen Landesanstalt zu Berlin Bd. XLIII; pp. 1-70, 26 fig./phot. 2 plts. h.t. with fossils (most brachiopods). Orig. extract, stapled, plain new wrps. sm4to.
[ Biostratigraphy of the Lower Carboniferous marine deposits of the area of Walbrzych Miasto (Lower Silezia). ]
1958. Instytut Geologiczny Prace Tom XIX; 211 pp. in Polish with extensive English summary and captions (pp. 183-211), 16 figures, 14 plates h.t. with phot. and fossils, mostly molluscs. Orig. wrps with libr. stamp, very good, 4to.