North American Masonry Conference University of Maryland, Masonry Society (U.S.), Vannoy, D. W., & Colville, J. (1982). Proceedings of the Second North American Masonry Conference, August 9, 10, 11, 1982, University of Maryland, College Park, Maryland. Masonry Society.

North American Masonry Conference University of Maryland, Masonry Society (U.S.), Donald W. Vannoy, and James Colville. Proceedings of the Second North American Masonry Conference, August 9, 10, 11, 1982, University of Maryland, College Park, Maryland. [Boulder, Colo.]: Masonry Society, 1982.

North American Masonry Conference University of Maryland, et al. Proceedings of the Second North American Masonry Conference, August 9, 10, 11, 1982, University of Maryland, College Park, Maryland. Masonry Society, 1982.