found: Blessed event [MP] 1932:credits (based on the play by Manuel Seff)
found: Inter. film necrology, 1981(Manuel Seff; b. June 6, 1895, Baltimore, Md.; d. Sept. 22, 1969)
found: Woman chases man, 200-:credits (screen play by Joseph Anthony, Mannie Seff and David Hertz ; original story by Lynn Root and Frank Fenton ; directed by John Blystone ; produced by Samul Goldwyn)
found: IMDb, Oct. 26, 2006(Manuel Seff; b. June 6, 1985, Baltimore, Md.; d. Sept. 22, 1969, New York, N.Y.; sometimes credited as Mannie Seff, Manny Seff; writer)
