Andres Manuel Del Río:

Mexico: Casino Espanol de México, 1936. First edition (presumed; no earlier dates stated). White duodecimo; 131 p, two leaves of plates: b&w ill; 17 cm. Upper spine head chipped away, bottom-rear corner barely chipped, very gentle wear to spine foot, bright pages; tight binding. Near Fine(-). Paperback.

In Spanish. Geologists -- Mexico -- Biography.