found: A.P. Schmidt Company. A.P. Schmidt Company archives, 1869-1958:p. iv (music publishing and importing company, founded by Arthur Paul Schmidt in 1876; absorbed by the Summy-Birchard Company of Evanston, Illinois in 1960)
found: Transcriptionen classischer Lieder und Gesänge für Violoncello oder Violine mit Begleitung des Pianoforte, 189-?:t.p. (Arthur P. Schmidt & Co.)
found: MacDowell, Edward. Étude de concert, 1889:title page (Arthur P. Schmidt, 120 Boylston St., Boston; Leipzig; 11 West 36th St., New York)