Publications written by: Sisk, Jerry
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The Sisk Gemology Reference : Volume #2: Noteworthy Gems
The Sisk Gemology Reference : Volume #2: Noteworthy Gems
9780692794722
Published: 2016
$ 137.99  
The Sisk Gemology Reference : Volume #1: Prominent Gems
The Sisk Gemology Reference : Volume #1: Prominent Gems
9780692713181
Published: 2016
$ 206.99  
The Sisk Gemology Reference : Volume #3: Gallery of Gems
The Sisk Gemology Reference : Volume #3: Gallery of Gems
9780692794739
Published: 2016
$ 96.59