found: Bernstein, L. West Side story [SR] p1985:labels (book by Arthur Laurents)
found: LC data base, 11/26/85(hdg.: Laurents, Arthur)
found: Internet Broadway database, May 16, 2002(Arthur Laurents; b. July 14, 1918 New York, N.Y.; writer, source material, director, creative consultant)
found: NYT, May 5, 2011(Arthur Laurents, playwright and director on Broadway; died on Thursday at his home in Manhattan)
found: Closing bell, 2004:title page (Gregg Tanner; signed Gregg Tanner, aka Arthur Laurents) attached note ("Despite appearances, this is written by Arthur. He can explain Gregg Tanner!")