Columbia subject headings:
Harvard subject headings:
Abbots--France--Solesmes (Sarthe)--Correspondence.
Abbots--France--Solesmes--Correspondence.
Archaeologists--Italy--Correspondence.
Benedictines--France--Solesmes--Correspondence.
Catholic Church--France--Liturgy--History--19th century.
Christian antiquities.
Guéranger, Prosper, 1805-1875--Correspondence.
Liturgical movement--Catholic Church.
Rossi, Giovanni Battista de, 1822-1894--Correspondence.
Princeton subject headings:
Abbots--France--Solesmes--Correspondence.
Archaeologists--Italy--Correspondence.
Benedictines--France--Solesmes--Correspondence.
Catholic Church--France--Liturgy--History--19th century.
Christian antiquities.
Guéranger, Prosper, 1805-1875--Correspondence.
Liturgical movement--Catholic Church.
Rossi, Giovanni Battista de, 1822-1894--Correspondence.