Impression copy books, 1876-1901, June 1900-Dec. 1902

Letterpress books, 1876-1901; incoming letters, 1881-1903; student papers; and notes on experiments. The correspondence is concerned mostly with establishment of experiment stations in the United States, with chemical analyses carried out, with other professional and administrative duties, and with family affairs. Correspondents include American Copyright League, American Chemical Society, American Society for the Extension of University Teaching, Franklin Institute in Philadelphia, Maine State College, New York Association for Improving the Conditions of the Poor, New York Tribune, New York University, Pennsylvania State College, Rose Polytechnic Institute, Simpson College, U.S. Geological Survey, University of Virginia, Yale University, members of Congress, scientific and other periodicals, laboratories, and buinesses. Also, journal of a trip to Europe in 1869, speeches, articles, and pamphlets.