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
Hummel Figurines (Price List and Value Guide)
6 Most Valuable Hummel Figurines You'll Want to Know About | LoveToKnow