The coal trade of British America with researches on the characters and practical values of American and foreign coals von Johnson, Walter Rogers

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Report of an examination of the Bear Valley coal district in Dauphin County, Pennsylvania von Johnson, Walter Rogers

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Notes on the use of anthracite in the manufacture of iron with some remarks on its evaporating power von Johnson, Walter Rogers

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Experiments on two varieties of iron manufactured at the Adirondack works, directly from the magnetic ore of McIntyre, Essex County, New York von Johnson, Walter Rogers

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Experiments on two varieties of iron manufactured at the Adirondack works, directly from the magnetic ore of McIntyre, Essex County, New York von Johnson, Walter Rogers 1794-1852

Report of a survey and exploration of the coal and ore lands belonging to the Allegheny Coal Company, in Somerset County, Pennsylvania accompanied by maps, profiles, and sections von Johnson, Walter Rogers

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A memoir of the late Lewis David von Schweinitz with a sketch of his scientific labours ; read before the Academy of Natural Sciences of Philadelphia, May 12th, 1835 von Johnson, Walter Rogers 1794-1852

Abstract of Professor Johnson's report to the secretary of the Navy, of the United States, respecting Forest Improvement coal von Johnson, Walter Rogers

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Notes on the use of anthracite in the manufacture of iron with some remarks on its evaporating power von Johnson, Walter Rogers 1794-1852