Dalzell, J. Ralph Masonry simplified : tools, materials, practice bricklaying, concrete block and cement masonry J. Ralph Dalzell and Gilbert Townsend - 3rd ed. - Chicago: American Technical Society, 1973. - 408p. HB Includes index eng ISBN: 0826906273 Subjects--Topical Terms: Masonary Dewey Class. No.: 693 / DAM