Dating (2) Music (2) Songs and music (2) Music (2) Incipits (2) Songs and music (2) Science (2) Publishing (2) Publication and distribution (2) Ciencias (2) Música (2) Íncipits (2) Rue (2) Musique (2) Édition (2) Musique (2) Datation (2) Incipit (bibliologie) (2) Sciences (2) Paris (1) Scores (1) Nineteen thirties (1) Stone (1) Singing (1) Singers (1) Printing industry (1) Printing (1) Lithography (1) International division of labor (1) El Dorado (1)