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Table of Patents Issued to Each State in the Year 1856 - p163
doi:10.1038/scientificamerican01301858-163
American Inventions Patented in Great Britain - p164
doi:10.1038/scientificamerican01301858-164
Patent Extensions and Lobbyists in Congress - p165
doi:10.1038/scientificamerican01301858-165c
The “Patent”Lobby in the Field.—The Different Interests at Work, &c - p166
doi:10.1038/scientificamerican01301858-166
