Harris, William Hamilton, 1944-
Keeping the faith : A. Philip Randolph, Milton P. Webster, and the Brotherhood of Sleeping Car Porters, 1925-37 Willam H. Harris. -- Urbana, Ill. : University of Illinois Press, c1977. -- xiv, 252 s., [8] s. obr. příl. : il., portréty. -- (Blacks in the New World). -- ISBN : 0252004531.
Randolph, A. Philip (Asa Philip), 1889-1979. Webster, Milton P., 1887-1965. Brotherhood of Sleeping Car Porters. 1925-1937. odbory. železnice. Spojené státy americké
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