Louis, J. (1872). Music in the public schools of Philadelphia: Report of Jean Louis, superintendent of music, to the Committee on Music : submitted to the Committee, June 10, 1872 : ordered to be printed for the use of the Board of Public Education. Philadelphia: E.C. Markley & Son, printers.

Louis, Jean. Music in the Public Schools of Philadelphia: Report of Jean Louis, Superintendent of Music, to the Committee On Music : Submitted to the Committee, June 10, 1872 : Ordered to Be Printed for the Use of the Board of Public Education. Philadelphia: E.C. Markley & Son, printers, 1872.

Louis, Jean. Music in the Public Schools of Philadelphia: Report of Jean Louis, Superintendent of Music, to the Committee On Music : Submitted to the Committee, June 10, 1872 : Ordered to Be Printed for the Use of the Board of Public Education. Philadelphia: E.C. Markley & Son, printers, 1872.