found: Ruth Fielding at the war front, or, The hunt for the lost soldier, c1918:t.p. (Alice B. Emerson)
found: Gale literary databases, Jan. 8, 1999(Alice B. Emerson, collective pseudonym; at Edward Stratemeyer's request, Mildred A. Wirt Benson wrote last 7 vols. of the Ruth Fielding series; Stratemeyer writer, W. Bert Foster, also worked under the pseud. on both Ruth Fielding and the Betty Gordon books)
found: Something about the author, v. 1(Stratemeyer, Edward L., 1862-1930; Stratemeyer Syndicate pseudonyms: ... Alice B. Emerson; Stratemeyer outlined and edited all of the Syndicate's works himself)