found: You'd be surprised, [20--?]:opening credits (cast, Earl Williams)
found: IMDB, April 4, 2014(Earle Williams; actor, writer, director)
found: Stewart, W.T. International film necrology, 1981:page 319 (Earle Williams, actor)
found: Truitt, E.M. Who was who on screen, c1984:page 426 (Earle Williams (Earle Rafael Williams); screen, stage actor, and film director)
found: Vazzana, E.M. Silent film necrology, c1995:page 357 (Earle Williams, actor, né Earle Rafael Williams)
found: Vazzana, E.M. Silent film necrology, c2001:page 568 (Earle R. Williams; stage/film actor/director; born Earle Rafael Williams in Sacramento, CA, 28 February 1880-25 April 1927, Los Angeles, CA)
found: New York Times, via WWW, March 26, 2014:obituary for Earle R. Williams, published on April 26, 1927 (silent film star; leading man for Vitagraph)
found: OCLC, April 4, 2014(access point: Williams, Earle)