A pair of mid-20th-century cloth-bound technical reference books published in the United States. The first volume is titled The Complete Library of Metal Working, Blacksmithing, & Soldering. It features a black textured cloth binding with a gold-toned decorative panel on the front cover. The panel is divided into three illustrated sections labeled METAL WORKING, MODERN BLACKSMITHING & HORSESHOEING, and SOLDERING AND WELDING. The second volume is titled Steel Construction and is bound in light blue cloth with orange graphic printing. The front cover displays the title and the names BURT and SANDBERG, with initials H. J. and C. H. visible above each name. The spine of this volume features the vertical title and the printed name of the AMERICAN TECHNICAL SOCIETY at the base.