| Source: Brick (Volume 20, Numbers 5-6; May-June 1904) Location: St.L. / 666.7 / B762 | |
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| Corporate Name: | National Clay Manufacturing Co. (South River, N.J.) |
| Date of Publication: | June 1904 |
| Page: | 297, 299 |
| Remarks: | mentioned; exhibit at 1904 Louisiana Purchase Exposition |
