A collection of 10 vintage postcard collector guides. Picture Postcards in the United States 1893-1918, updated edition by Dorothy B. Ryan, 1983. Collectors Guide to Postcards by Forrest Lyons, a 1974 edition. Rare and Expensive Postcards: Book II by John M. Kaduck, a 1980 edition signed by the author. Transportation postcards by John M. Kaduck, published in 1976. Reflections: Ephemera from Trades, Products, and Events by Barry, Kit, published by Kit Barry Ephemera Auctions, Brattleboro, Vermont, 1993. Rare and Expensive Postcards by John M. Kaduck, published by Wallace-Homestead Book Co., 1974, signed by the author. Mail memories: Pictorial guide to postcard collecting by John M. Kaduck, published in 1975 and signed by the author. Advertising Trade Cards by John M. Kaduck, published in 1976 and signed by the author. Signs of age and wear. Yellowing, scuffs. Refer to photos.