Frederick E. Giesecke, Alva Mitchell & Henry Cecil Spencer.
Technical drawing., 3rd ed.
R645652. Technical drawing. By Frederick E. Giesecke, Alva Mitchell & Henry Cecil Spencer. 3rd ed. © 30Aug49; A35336. Linda Giesecke Geren, Alma Giesecke Hodges, Minnie Giesecke Wight & R. Howard Mitchell (C) & Juanita M. Spencer (W); 5Nov76; R645652.
Linda Giesecke Geren, Alma Giesecke Hodges, Minnie Giesecke Wight & R. Howard Mitchell|C||Juanita M. Spencer|W