The horse-flies (Diptera: Tabanidae) of the Ethiopian region : Vol. III, Subfamilies Chrysopinae, Scepsidinae and Pangoniinae and a revised classification / H. Oldroyd. Oldroyd, H. Horseflies. Diptera -- Ethiopia. Diptera. 595.77 OLH Includes bibliography and index. London : British Museum (Natural Museum), c1957. c1957. 1957 Text xii, 489 p.[8p.], : eng