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, History and Rare Examples
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
Hummel Figurines: Price List, History and Rare Examples
Official 1982 Price Guide to Hummel Figurines & Plates 2nd Edition Paperback - Etsy
Number One Price Guide to M. I. Hummel by Robert L. Miller, Paperback | Pangobooks