Hamm, Charles2020-04-241991Hamm, Charles. 1991. "Expanding our musical heritage" in "Music librarianship in America, Part 1: Music librarians as custodians of cultural history". Harvard Library Bulletin 2 (1), Spring 1991: 13-17.0017-8136http://nrs.harvard.edu/urn-3:HUL.InstRepos:42661657en-US"Expanding our musical heritage" in "Music librarianship in America, Part 1: Music librarians as custodians of cultural history"Journal Article2020-04-24