http://www.andrew.cmu.edu/user/rrollett/Education.html Carnegie Mellon University: American Music Education: Lowell Mason Brief biography. http://www.findagrave.com/pictures/3999.html Find a Grave: Lowell Mason Includes location and picture. http://hymnsys.com/mason.htm HymnSys: Lowell Mason Brief biographical note. http://orpheus.la.utk.edu/music/resources/usa/mason_bssb.html Lowell Mason, Preface to the Boston School Song Book (Music in the United States, Department of Music, University of Tennessee, Knoxville)