1
by Durbin, E. F. M.
Published 1940
2
by McCord, William, 1930-
Published 1965
3
4
by Sartori, Giovanni
Published 1962
5
6
by Lippman, Walter
Published 1955
7
by Jeffries, Charles, Sir
Published 1960
8
by Colegrove, Kenneth
Published 1961
9
by Lippman, Walter, 1889-1974
Published 1955