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Declaration of Principles, of the Reformed Association of Inventors - p99
doi:10.1038/scientificamerican12181847-99c
Colony of Twenty Thousand Blacks in Canada - p101
doi:10.1038/scientificamerican12181847-101f
Improvement in Railway Engines and Carriages - p102
doi:10.1038/scientificamerican12181847-102
Improved method of Making Rail Road Iron - p102
doi:10.1038/scientificamerican12181847-102a
Scientific American - p104
doi:10.1038/scientificamerican12181847-104d
