A Bill Supplementary to An Act, Entitled, An Act for the Encouragement of Learning, by Securing the Copies of Maps, Charts, and Books, to the Authors and Proprietors of Such Copies During the Time Therein MentionedA Bill Supplementary to An Act, Entitled, An Act for the Encouragement of Learning, by Securing the Copies of Maps, Charts, and Books, to the Authors and Proprietors of Such Copies During the Time Therein Mentioned
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