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• Concrete Masonry Promotions Council (CMPC) Dedicated to increasing the knowledge of architects, builders and design professionals to the benefits of concrete masonry.
• Design in Brickwork Architectural guide to the design of brickwork, prepared for the Clay Brick and Paver Institute, the Australian authority on brickwork and clay paving.
• International Masonry Institute The International Union of Bricklayers and Allied Craftworkers, 815 Fifteenth Street, N.W., Washington D.C. 20005.