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Historical Facts about the Development of Gruen Watchmakers Guildr2WPadmin2018-08-09T17:31:40+00:00
Reference Information
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Created By
Gruen, Frederick G
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Title
Historical Facts about the Development of Gruen Watchmakers Guild
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Source/Publisher
</em>In<em> Buckeye Horology. Edited by James W. Gibbs, 83-91. Columbia, PA: The Art Crafters, 1971