University of Zambia Library Search for 'au:"Sumner, Benedict Humphrey, 1893-1951."'

Russia and the Balkans, 1870-1880.

By Sumner, Benedict Humphrey, 1893-1951.. London : Archon Books, 1962 , "First published 1937, reprinted 1962 ..."

By Sumner, Benedict Humphrey, 1893-1951.. London : English Universities Press, 1950 , Reprint of 1966. | Includes index

By Sumner, Benedict Humphrey, 1893-1951.. Hamden, CT : Archon Books, 1949