PREFACE During the more than one hundred years the National Agricultural Library has been in existence, it has acquired a notable collection of historical, agricultural, scientific, and economic books published during the sixteenth, seventeenth, and eighteenth centuries. The Library is now engaged in a program of reorganizing this collection to make it more accessible to its users. This bibliography, the first of its kind issued by the Library, includes works in the general agriculture category. Those published in Europe bear imprints prior to 1800 and those published in the United States bear imprints prior to 1830. Also included are several unique historical titles of later dates. Much of the material was originally cataloged for inclusion in the catalog of the Library of Congress. The call number used by the National Agricultural Library and the Library of Congress printed card number (when available) have been included in the citation. AVAILABILITY OF REFERENCES CITED Loans. Publications listed in this bibliography may be used in the National Agricultural Library's Reading Room. They are loaned by special arrangement only. Reproduction. Microfilm or photoprint copies of any portion of the publications listed in this bibliography may be obtained by placing an order with the National Agricultural Library at the address noted below. Copying charges are: Payment must accompany the order. Cash, Library coupons, check or money order drawn to the National Agricultural Library are acceptable. Payment for orders originating outside of the United States should be made by International money order or draft on an American bank, or by UNESCO book coupons. Superintendent of Documents coupons and requests to furnish photocopy to be paid from Superintendent of Documents Deposit funds cannot be honored. Credit may be extended to Government agencies and institutions. Billing address, if other than the mailing address, should be indicated in the appropriate place. Please include ZIP code in all addresses. Library Coupons. National Agricultural Library coupons, valued at $1.00 each, may be purchased in any quantity. Address. Orders for photocopy or Library coupons, requests for order blanks, or questions regarding loan arrangements may be sent to: U. S. Department of Agriculture National Agricultural Library Division of Lending Washington, D. C. 20250 This publication is one more step taken by the Library in making known its complete resources to the international scientific community. Plans are under way to publish additional lists in various classifications such as botany and mycology, entomology, and forestry. In the meantime we shall welcome comments and suggestions to help us make these lists of the greatest value possible to historians, researchers, and librarians. Forte &. Molahaut Foster E. Mohrhardt, Director |