Author
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Pennsylvania Polytechnic College (Philadelphia)
1
Pennsylvania State Agriculture
1
Pennsylvania State College. Department of Agricultural Extension
1
Peters, Richard, 1743-1828
1
Philadelphia Botanical Club
1
Philadelphia Hampton Committee
1
Québec (Province). Department of Agriculture and Public Works
1
Skinner, John S. 1788-1851
1
Smithsonian Institution
1
South Carolina Mineralogical, Geological and Agricultural Survey
1
Southwick, S.
1
Tarver, M.
1
Washington, George, 1732-1799
1
Woman's National Farm and Garden Association
1