{"value"=>"Series IV. Research Materials, 1750s-1790s"}
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{"value"=>"<p>Research materials, 1750s?-1790s, consist of three manuscript volumes of indices compiled by Yates from published works to support his professional and writing activities: his notes on proceedings of Congress and the New York State Legislature, covering events from 1774-1776 and 1777-1779, respectively; and a biographical index and a chronological index of New York history with reference to the Albany area, from early exploration to the mid-18th century. The chronological index contains indices for other purposes created by Yates and an earlier owner of the volume.</p>"}