Author
Philadelphia Society for Promoting Agriculture
40
Pennsylvania State Agricultural Society
10
Philadelphia Record
10
Peters, Richard, 1743-1828
8
Washington, George, 1732-1799
8
Carey, Mathew, 1760-1839
7
Fisher, Sidney George, 1809-1871
7
Bordley, J. B. 1727-1804
6
Pennsylvania Agricultural Society
6
Pennsylvania State College
6
American Imprint Collection (Library of Congress)
5
Darlington, William, 1782-1863
5
Mutual Fire and Live Stock Insurance Company of Philadelphia
4
Agricultural History Society
3
Chester County (Pa.) Agricultural Society
3
Clark & Raser,
3
Cobbett, William, 1763-1835
3
Delaware County Institute of Science (Media, Pa.)
3
Edwards, Everett Eugene, 1900-
3
Farmers' Club of Pennsylvania
3
Fisher, Gideon L.
3
Fletcher, S. W. 1875-
3
Kollmorgen, Walter Martin, 1907-
3
Krauskopf, Joseph, 1858-1923
3
Liebig, Justus, Freiherr von, 1803-1873
3
Lorain, John
3
Marian S. Carson Collection (Library of Congress)
3
Montgomery County Agricultural Society (Pa.)
3
New Jersey State Agricultural Society
3
Pennsylvania Society for the Promotion of Manufactures and the Mechanic Arts
3
Pennsylvania. General Assembly. House of Representatives. Committee on Agriculture
3
Sharp, Joshua
3
Skinner, John S. 1788-1851
3
Unknown author
3
Varlo, Charles, approximately 1725-approximately 1795
3
Weiss, Harry B. 1883-1972
3
Woodward, Carl Raymond, 1890-
3
Young, Arthur, 1741-1820
3
Agricultural College of Pennsylvania
2
Agricultural Society of St. John's Colleton (S.C.)
2
American Philosophical Society
2
Andreasen, H.
2
Archives of Czechs and Slovaks Abroad
2
Baugh and Sons Company
2
Blais, M. J. 1853-1926
2
Bouthillier-Chavigny, Charles, vicomte de
2
Bowers, Douglas
2
Breckenridge, John, 1797-1841
2
Broom, James Madison, 1778-1850
2
Brumder, George, 1839-1910
2
more ...