Martin, Michael
Dictionary of American history : with the complete text of the Constitution of the United States / by Michael Martin and Leonard Gelber. -- New student ed. / revised by A.W. Littlefield. -- Totowa, N.J. : Littlefield, 1965. -- vi, 714 s. -- (Littlefield quality paperbacks). -- ISBN : (Brož.).
Gelber, Leonard. Littlefield, A. W. (Arthur Wesley), 1905-
dějiny. Spojené státy americké. encyklopedie
94(73)(031). (031)