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
Subtitle: edited by his daughter, Elizabeth A. Osborne.
Contributors: Osborne, Elizabeth A. (Johnson) (Mrs.) 1862-,
Publisher: Yale University Press
Published: 1913
Place of publication: New Haven
Language: eng
Number of pages: 292
Subjects: Agricultural chemistry