Birds Collected by the Childs Frick Expedition to Ethiopia and Kenya Colony

2 volume set. USNM Bulletin 153: Part 1 - Non-passeres, 516 pp. (1930) hinges starting, inscribed by Friedman to James P. Chapin; Part 2 - Passeres, 506 pp. (1937) hinges starting. Color frontispiece in each part by Allan BROOKS and F.L. JAQUES, respectively. Bound in dark blue buckram, wrappers bound in. Mylar protective covers.