Details - From the letter-files of S.W. Johnson, professor of agricultural chemistry in Yale University, 1856-1896, director of the Connecticut Agricultural Experiment Station, 1877-1900; edited by his daughter, Elizabeth A. Osborne

From the letter-files of S.W. Johnson, professor of agricultural chemistry in Yale University, 1856-1896, director of the Connecticut Agricultural Experiment Station, 1877-1900

Title

From the letter-files of S.W. Johnson, professor of agricultural chemistry in Yale University, 1856-1896, director of the Connecticut Agricultural Experiment Station, 1877-1900; edited by his daughter, Elizabeth A. Osborne