London: Henry Sotheran Ltd, 1931. 1st printings. Catalogues range in length from 72 pp to 176 pp, most ~96 pp. 8vo. ~8-3/4" x 6". Printed buff paper wrappers. Age-toning. Most a bit cocked. Signs of use, with occasional prior owner annotations. A couple with wrappers beginning to detach. Withal, a solid VG lot. Item #46405
Decade breakdown: 1930s - 5; 1940s - 9; 1950s - 13; 1960s -1. Most catalogues with a thousand to two thousand entries, from Acta Eruditorum [Lipsiae, 1683 - 1739] to Zuchetta [Brescia, 1600], as found in catalogue No. 825, 1931.
A vertible treasure trove of bibliophilic information - both descriptive & price history - primarily works of science, medicine & chemistry, as offered by the oldest antiquarian book firm still in business today.