by University of Hawaii (Honolulu). Agricultural Extension Service

1917

by University of Hawaii (Honolulu)

1930

by University of Hawaii (Honolulu). Cooperative Extension Bulletin

1929

by University of Hawaii (Honolulu)

1922

by University of California (System)

1952

by University of Hawaii (Honolulu)

1930

by Pennsylvania State University. Agricultural Experiment Station

1930

by Pennsylvania State University. Agricultural Experiment Station

1923

by Washington State University. Library

1916

by University of Florida. Agricultural Extension Service

1916

by University of Hawaii (Honolulu). Agricultural Dept

1918