$a Kp. The days of Alkibiades / by C. E. Robinson. - New York, 1925. $b Wstęp
670
$a EvDict. - 1960
670
$a The art of war in the Middle Ages A.D. 378-1515 / by C. W. C. Oman. - New York, 1953.
670
$a LCA online
670
$a Kp. Wallpapers : a history and illustrated catalogue of the collection of the Victoria and Albert Museum / Charles C. Oman and Jean Hamilton. - London, 1982.
670
$a Truth / by C. B. Marshall. - London [etc.], [1945]. $b Wstęp (Charles Chadwick Oman)