found: Bronson, H. Saratoga, 1870: t.p. (Samuel French & Son; publisher at New York)
found: Catalogue of plays and dramatic works specially adapted for amateurs, between 1871 and 1878?: t.p. (Samuel French & Son Publishers)
found: Truly yours: one hundred and fifty years of play publishing, 1980: p. 1, etc. (Samuel French & Son; firm established in New York, 1870, when Samuel French (1821-1898) took his only son, Thomas Henry French (1847 or 8-1902), into his publishing business; Thomas Henry was left in charge of the business when his father moved to England in 1872)
found: MWA/NAIP files, Oct. 24, 2007 (hdg.: Samuel French & Son; usage: Samuel French & Son; note: firm later known as Samuel French, Inc.)
notfound: nuc88-22324: Its Musicals from the house of plays, 198- ; The bridal, 1843?: t.p. (Samuel French, Publisher)