
View D. Oversize
- Correspondent
- Agricultural History Society
- Agricultural Society of South Carolina
- Alampi, Phillip.
- American Guernsey Cattle Club
- Ayrshire Breeder's Assoc.
- Bache, Franklin
- Baker, T. A.
- Ballard, Ernesta Drinker
- Barnes, M. F. (Miller Freeman)
- Bartlett, J. Kemp
- Bayard, E. S.
- Blair, A. W.
- Breck, William R.
- Bucher, F. S.
- Bull, Leland Hudson
- Burlew, John S.
- Burpee, David
- Burpee, W. Atlee III
- Butz, Earl L. (Earl Lauer), 1909-
- Campbell, Milton
- Campell, Walter J.
- Carothers, G. R.
- Cathey, Henry Marcellus, 1928-
- Chambers, Franklin S.
- Chaney, Arthur U.
- Chemurgic Council
- Christian, Portia
- Clawson, Marion, 1905-
- Colonial Pennsylvania Plantation
- Comfort, Henry W.
- Corn Industries Research Foundation
- Cox, H. R. (Herbert Randolph)
- Crompton, Robert Donald
- Crowell, Samuel B.
- Delaware State Board of Agriculture
- Deming, W. C.
- Deubler, E. S. (Ezra Strickland)
- Dick, G. A. (George Alexander)
- E. I. Du Pont and Nemours Co.
- Edgerton, J. Russell
- Edmunds, Henry
- Eisenhower, Dwight D. (Dwight David) 1890-1969.
- Farm Journal
- Farm Museum
- Fletcher, S. W. (Stevenson W.)
- Ford Motor Company
- Foster, Frank Brisbin
- Franklin Institute (Philadlephia, PA)
- French, J. Hansell
- Gill, Ephraim Tomlinson, b. 1861
- Gill, John
- Glenmede Trust
- Grundy, Joseph R. (Joseph Ridgway), 1863-1961
- Haley, D.E.
- Hallowell, Charles K.
- Hampton Normal and Agricultural Institute
- Harper, William Warner
- Hart, Charles
- Haskell, H. G. (Henry G.)
- Hershey Estates
- Hetzel, R. D.
- Hibsham, E. K.
- Hoskyns-Abrahall, John
- Houston, Samuel F.
- International Conference of Soil Science
- Irving, George W.
- Jeffers, Henry W., Jr.
- Johnson, D. Gale
- Johnstone-Wallace, D. B.
- Jones, J. F.
- Kleberg, Robert J., Jr.
- Lipman, J. G. (Jacob Goodale), 1874-1939
- Lippincott, J. Bertram (Joshua Bertram), 1857-1940
- Lloyd, William M.
- Lorimer, Graeme
- Lynn, William C.
- McIlvaine, Herbert
- McMillen, Wheeler, 1893-
- McNeil, J. H.
- Marshall, Donnell
- Maryland Agricultural Society
- Mechling, Benjamin S.
- Mechling, Edward A.
- Mohler, John R. (John Robbins), b. 1875
- Moon, Henry T.
- Moore, Henry W.
- Morris, Effingham Buckley, 1856-1937
- Mount Hermon School
- Munce, T. E.
- National Farm Chemurgic Council
- National Research Council
- New Jersey Farm Bureau
- New Jersey State Agricultural Society
- New York State Agricultural Society
- Nixon, E. L.
- Palmer, C. C.
- Pearson, Raymond A. (Raymond Allen), 1873-1939
- Pennsylvania Dept. of Agriculture
- Pennsylvania Farmer
- Pennsylvania Horticultural Society
- Pennsylavania State Farm Products Commission
- Pennsylvania State University
- Pepper, George Wharton, 1867-1961
- Peters, Richard, Jr.
- Pew Charitable Trust
- Pew, William H.
- Philadelphia High School of Agriculture and Horticulture
- Phillips, M. T. (Morris T.)
- Prentice, E. Parmalee (Ezra Parmalee), 1863-1955
- Preston, C. F.
- Reber, Norman F.
- Ross, A. B. (Abram Bunn), b. 1866
- Royal Agricultural Society of England
- Rutgers University Extension Service
- Shreiner, Charles W.
- Smith, J. Russell (Joseph Russell), 1874-1966
- Smith, Lawrence M. C. (Lawrence Meredith Clemson) 1902-1975
- Soil Conservation Society of America
- True, Rodney H. (Rodney Howard), 1866-1940
- United States Dept. of Agriculture
- University of Delaware
- Waltz, R. G.
- Watts, R. L.
- White, Elizabeth C.
- Woodward, Carl Raymond
- Worrilow, G. M.
- Younkin, Stuart G.
View Appendix C: OFFICERS OF P.S.P.A.
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