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Annual Report of the Director for the Fiscal Year Ending June 30, 1915
A. C. Whittier
, Arthur Elliott Grantham
, Charles A. McCue
, Jacob Joseph Taubenhaus
, John Asbury Elliott
, Thomas Franklin Manns
, University of Delaware. Agricultural Experiment Station
, Joseph M. Goheen
· 1915
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Preliminary Report on Muck Humus As a Fertilizer and Carrier of Beneficial Soil Bacteria
Delaware Agricultural Experiment Station
, Joseph M. Goheen
, Thomas F. Manns
· 1916
