Author
A.B. Farquhar
1
Abbott, Charles C. 1843-1919
1
Aereboe, Friedrich, 1865-1942
1
Agresti, Olivia Rossetti
1
Agricola
1
Agricultural College of Pennsylvania
2
Agricultural Convention of the State of Delaware
1
Agricultural History Society
3
Agricultural Society (Chester County, Pa.)
1
Agricultural Society and Institute of New Castle County, Del
1
Agricultural Society of Bucks County (Pa.)
1
Agricultural Society of Kent County (Del.)
1
Agricultural Society of New Castle County (Del.)
1
Agricultural Society of Somerset County (Pa.)
1
Agricultural Society of St. John's Colleton (S.C.)
2
Alexander, Will Winton, 1884-1956
1
Allen, Emory Adams, 1853-
1
Allen, Horace R.
1
Allen, Nathan, 1813-1889
1
Allen, Rutillus Harrison, 1907-
1
Allen, William Henry, 1808-1882
1
Allerton, Samuel Waters, 1828-
1
Amato, Joseph Anthony
1
Amberson, William Ruthrauff, 1894-
1
Ambrosino, Guy
1
Amendola, Sandra L.
1
American Free Trade League
1
American Imprint Collection (Library of Congress)
5
American Liberty League National Lawyers Committee
1
American Missionary Association
1
American Philosophical Society
2
Anderson, Alexander, 1775-1870,
1
Anderson, Henry P.
1
Anderson, Henry P. 1927-
1
Anderson, Henry Pope, 1927-
1
Anderson, Kat, 1955-
1
Andreasen, H.
2
Andrés, José, 1969-
1
Anstrom, George
1
Anzaldúa Montoya, Ricardo
1
Archives of Czechs and Slovaks Abroad
2
Armstrong Association (New York)
1
Armstrong, John, 1758-1843
1
Armstrong, M. F. (Morgan) Mrs., d. 1903
1
Asch, Berta
1
Ashmun, J. 1794-1828
1
Atack, Jeremy
1
Atkinson & Alexander
1
Atkinson, Edward, 1827-1905
1
Atkinson, Samuel Coate
1
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