Studies of the Actinoceratida. I. The Ordovician development of the Actinoceratida, with notes .... etc., II. Macroloxoceras, a Devonian homeomorph of the Actinoceratida.
1957. New Mexico Bur. Mines & Min. Res. Mem. 2; 101 pp. 5 fig. 13 plts. h.t. Orig. wrps. very good, 4to.
1939. Palaeontographica Americana Vol. 2, No. 10; 214 pp. 22 fig. 9 plts. h.t. Orig. wrps. with small libr. stamp, libr. stamp on back of plates as well, contents very good, 4to.
1936. Geological Magazine LXXIII-7; pp. 289-307, 19 fig. 1 plt. h.t. Contains some other reports as well. In complete journal issue, orig. wrps. with libr. stamp, spine neatly repaired, contents very good.
1928. Contributions from the Museum of Geology University of Michigan Vol. II; pp. 189-208, 5 plts. h.t. some double-paged. Orig. extract, stapled, plain new wrps. as such very good.