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Subject
- Booth, James Curtis, 1810-1888776
- Mint of the United States324
- United States Mint324
- Morfit, Campbell, 1820-1897103
- United States. Department of the Treasury74
- Nurseries (Horticulture)63
- United States. Assay Office, New York City59
- Chemists54
- Chemistry teachers48
- Thomas, Joseph W.46
- Guthrie, James, 1792-186944
- Metals--Refining43
- Martinez Cardeza, Margaret36
- Snowden, Archibald Loudon, 1835-191222
- Assaying20
- Real property19
- Metallurgy18
- Smelting18
- Wöhler, Friedrich, 1800-188218
- Bills, Legislative17