The Official M.I. Hummel Price Guide: Figurines & Plates (Hummel Figurines and Plates): Von Recklinghausen, Heidi Ann: 0074962016225: Amazon.com: Books
Hummel Figurines: Price List, History and Rare Examples
M.I. Hummel Doctor
Worldwide Collectibles - Fine Collectible Gifts
M. I. Hummel "Little Gardener" Figurine by Goebel. - Now and Then Galleria LLC
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Goebel MI Hummel Figurines Value and Worth – Collectibles at Appletreedeals.com