J.J. Roberts

Concrete Masonry Designers' Handbook  J. J. Roberts John J. Roberts W. B. Cranston J.J. Roberts A.K. Tovey W.B. Cranston A.W. Beeby Textbook Binding. Scholium International, Inc., 1998-04-08 ISBN 9780863100086     Efficient Masonry Housebuilding  A.K. Tovey J.J. Roberts Paperback. British Cement Association, 1990-12-31 ISBN 9780721013923     Efficient Masonry Housebuilding  J.J. Roberts P. Watt W.E. Anderson Paperback. British Cement Association, 1985-12-31 ISBN 9780721013237