Petrographische Untersuchungen an Ergussgesteinen von Soembawa und Flores.
1912. Inaug.-Diss. F.-W. Univ. Berlin, reprint: N. Jb. f. Min. etc. Beil.-Bd. XXXIV; pp. 42-84, 4 fig. Orig. wrps. very good. Comes with Rack: Beitr. z. Petrographie v. Flores. Reprint Centralblatt f. Min. etc. 1913-5, 6 pp. 2 fig.
The Snellius Expedition Vol. II Oceanographic results, Part 2. chapter II The bottom configuration in relation to flow of the bottom water.
1934. Kemink, Utrecht. 63 pp. 31 fig. (incl. 1 plt. h.t. folding-out) , 16 plus 3 large fold. plts. with col. maps in back pcket. Orig. wrps. very good, lg4to.
1931, Geol. Petrogr. & Palaeont. Results of Explorations in the island of Ceram, First Series: Petrography No. 2; 74 pp. 1 fig. 1 plt. h.t. with map. 2 plts. h.t. with microphot. Orig. wrps. very good, lg4to.
Geological investigations in the southwestern Moetis region (Netherlands Timor).
1940. Reprint: Geological Expedition to the Lesser Sunda Islands Vol. II; 244 pp. 22 fig. 16 photoplts. h.t. 1 col. plt. with map folding-out. Orig. wrps. very good.