Butterfield, L. H., & Boyd, J. P. (1963). Historical editing in the United States: Papers read at the 150th annual meeting of the American Antiquarian Society. The proceedings of the American Antiquarian Society for October 1962. Sonderdruck.
Lua i Stíl Chicago (17ú heag.)Butterfield, L. H., agus Julian P. Boyd. "Historical Editing in the United States: Papers Read at the 150th Annual Meeting of the American Antiquarian Society." The Proceedings of the American Antiquarian Society for October 1962. Sonderdruck 1963.
Lua MLA (8ú heag.)Butterfield, L. H., agus Julian P. Boyd. "Historical Editing in the United States: Papers Read at the 150th Annual Meeting of the American Antiquarian Society." The Proceedings of the American Antiquarian Society for October 1962. Sonderdruck, 1963.