found: New Amsterdam Theater, 1979:p. 1 (Klaw & Erlanger; Marc Klaw, 1858-1936 and Abraham L. Erlanger, 1860-1930)
found: The billionaire, 1902DLC copy theater program, New National Theatre, Washington, D.C. performance (Klaw & Erlanger Opera Company)
found: Abel, R., ed., Encylopedia of early cinema, 2005:p. 518 (Klaw & Erlanger; in 1913 Klaw & Erlanger joined with Biograph to film theatrical properties that they controlled. Produced by the Protective Amusement Company, these multiple-reel films featuring prominant Biograph players, opened in Klaw & Erlanger theaters in 1914)
found: Niver, K., Early motion pictures, 1985:p. 28 (Klaw & Erlanger; K&E)