Lawson, A. (1871). The iron industries of Ironton, and the Hanging Rock iron region of Ohio. Bloch & Co..
Chicago-viite (17. p.)Lawson, Albert. The Iron Industries of Ironton, and the Hanging Rock Iron Region of Ohio. Cincinnati: Bloch & Co., 1871.
MLA-viite (8. p.)Lawson, Albert. The Iron Industries of Ironton, and the Hanging Rock Iron Region of Ohio. Bloch & Co., 1871.
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