Pair of exceptional 8.5x11" catalogs for Supplee-Biddle-Steltz Company of Philadelphia, PA., both issued 1957. This company was one of the major wholesale toy suppliers of the period servicing hardware stores and other small retailers. "Toy Catalog" is over 1.25" thick and is loaded w/great content and over 350 pages. Cover features great Santa Claus illustration. Catalog has full color section for "Plasticville, U.S.A. - The Original Plastic Village" by Bachmann Bros., Inc. There is a 36 page Lionel train and accessories section. Another section features Murray riding toys including "Good Humor" Truck, Police and Fire Cycles and various tractors. Gilbert Scientific's "Erector" sets are showcased as is Monogram model planes, Revell ship models, Ideal plastic robots, American Character Dolls, Buddy L trucks, Daisy items including Davy Crockett, full color Tootsietoys section, Emenee guitars featuring Gene Autry, Fisher-Price toys, Hubley tractors and trucks, various Marx toys including a Coca-Cola truck, playsets and more. Ny-Lint Toys has a full color section showing Missile Launcher, Telescoping Crane and Electronic Cannon. Structo toy vehicles are featured as well as Tonka toy vehicles and much, much more. Cover shows scattered wear and dust soiling, cover has slight loosening along back cover inner seam w/glue staining, but all pages remain tight. VG/Fine. Comes w/rarely found 140-page "Toy Price Book" supplement. w/ wholesale and suggested retail prices for the items shown in the large catalog. Scattered handling wear/dust soiling. Fine.