Amazon.com: Luckey's Hummel Figurines and Plates: Identification and Price Guide (12th Edition): 9780873494724: Luckey, Carl F.: Books
The Official M.I. Hummel Price Guide: Figurines & Plates (Hummel Figurines and Plates): Von Recklinghausen, Heidi Ann: 9781440237133: Amazon.com: Books
Amazon.com: The No. 1 Price Guide to M.I. Hummel: Figurines, Plates, More (MI HUMMEL FIGURINES, PLATES, MINIATURES & MORE PRICE GUIDE): 9780884861881: Miller, Robert L.: Books