Excerpts from the Introduction: This list contains references to cotton and cottonseed in the printed and mimeographed publications of the United States Department of Agriculture from 1841 through June 1933, including the reports of the Agricultural Division of the United States Patent Office, through which Federal aid to agriculture was administered from 1839 to 1862. References found in the annual reports of the Department through 1900 have been included. A detailed author and subject index is included. References in the index are to item numbers and not to page numbers.