The Toarcian of Breddon Hill and a comparison with deposits elsewhere /&/ Two Toarcian ammonites.
1903. Quarterly Journal of the Geological Society 59-4 (236); pp. 445-458 & 459-464, 1 fig. 2 plts. with ammonites h.t. In complete journal issue, orig. wrps. excellent condition.
Cefalopodos del Jurassico medio de Oaxaca y Guerrero.
1927. Inst. Geol. Mexico Bol. num. 47; 108 pp. 33 plts. h.t. Plain wrps. right-hand blanc margin of title page reuced, upper blanc margin of plate section a bit frayed, but all contents complete and good for reference, 4to.