美国化验委员会
参考资料

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1 2 3 4 5 6 7 8  Bureau of the Mint. . Washington, D.C.: United States Government Printing Office. 1904  [2020-06-21].
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1 2 3 4 5 6 7 8 9   3rd. Sidney, Ohio: Amos Press. 1977  [2020-06-21]. ASIN B004AB7C9M.
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1 2  Roger W. Burdette, "Introduction and purpose" article included in this DVD set of Assay Commission records: Burdette, Roger. . Great Falls, Va.: Seneca Mill Press. ISBN 978-0-9768986-3-4.
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铸币局日志封面的题字，说明其中是为化验委员会保留硬币的记载
“此次交付的部分硬币显然超出法定误差范围。”1921年化验委员会报告节选，详细阐述1920-版25美分存在部分硬币含银量太高的问题。
铸币局局长内莉·泰洛·罗斯在化验委员会1952年会议上讲话
钱币经销商、1963年化验专员伦纳德·史塔克的拉长硬币
两名委员在1942年化验年会上为硬币称重，铸币局局长内莉·泰洛·罗斯（左）在一旁检视
1899和1900年入选委员会的查尔斯·盖茨·道威斯后来当上美国副总统
1942年委员会成员为硬币点数，确保数量与纪录相符
1879年化验委员会纪念章正面由威廉·巴伯设计，描绘已故铸币局局长亨利·林德曼
1901纪念章正面由查尔斯·爱德华·巴伯设计，上面是威廉·麦金莱总统
1921年化验委员会纪念章的背面（图）由铸币局雕刻师乔治·托马斯·摩根设计，其中一枚使用黄金打造送给伍德罗·威尔逊总统
1976年化验纪念章正面由弗兰克·加斯帕罗设计，刻有财政部长威廉·西蒙。