1902. The Geological Magazine (IV) IX-IV; pp. 152-162, 8 fig. 3 plts. h.t. In complete journal issue (pp. 145-192), orig. wrps. with small libr. stamp, very good.
Hypostomes of some Girvan trilobites and their relationship to te cephala.
1943. Geological Magazine Vol. LXXX, No. 2; pp. 56-65 & p. 160, 1 plt. h.t. Orig. extract with journals printed covers, faint libr. stamp in corner of front cover, very good.
Upper Franconian and Lower Trempealeauan Cambrian trilobites and brachiopods, Wilberns Formation, Central Texas.
1962. Univ. Texas, Bureau of Economic Geology Rep. Invest. No. 47, reprint: J. Paleont. 36; pp. 385-423, 1 fig. 14 plts. h.t. with trilobites (9 plts ), brachiopods and few molluscs. Orig. wrps. ringbinder, very good, 4to.