From Museum materials 1997.15; Red Book: Describing the products manufactured by the United States Gypsum Co.; The Handbook on Painting--National Lead Company; The Brier Hill Steel Co. Weights of Sheets and Plates--Youngstown, Ohio; Waterbury Wire Rope, Armored Rope, Fibreclad Rope, Music Wire, Manila Rope, Sisal Rope, Drilling Cables general catalogue and price list [front: A. W. Sillure in gold letters]--New York