Author
Abbot, Abiel, 1770-1828
1
Academy of Science of Montgomery County (Norristown, Pa.)
1
Adamic, Louis, 1899-1951
1
Adams, Charles Francis, 1835-1915
2
Adams, Henry, 1838-1918
1
Adams, Herbert B. 1850-1901
1
Adams, John Quincy, 1767-1848
2
Adams, John Quincy, President, U.S., 1767-1848
2
Adams, Randolph Greenfield, 1892-1951
1
Adelman, Seymour, 1906-1985
1
Agnew, D. Hayes 1818-1892,
1
Agnew, Daniel, 1809-1902
1
Agricultural Society (Chester County, Pa.)
1
Allen, Nathan, 1813-1889
1
Allison, Robert J.
1
Alrich, W. P.
1
American Academy of Political and Social Science
1
American Brands, Inc
1
American Imprint Collection (Library of Congress)
1
American Social Science Association. Philadelphia Branch
1
American Society for the Extension of University Teaching
1
American Tract Society
1
Amphisbeteon Literary Society (Elders Ridge Academy)
1
Anderson, Alexander, 1775-1870
1
Anthracite Operator's Conference
1
Archives of Czechs and Slovaks Abroad
4
Arnold, Lee, 1959-
6
Art-Union of Philadelphia
1
Arthur Ross Gallery
2
Atlee, Walter F. 1828-1910
1
Atlee, Washington L. 1808-1878
1
Atwater, Jeremiah, 1744-1835
1
Babcock & Galpin,
1
Bailey, Lydia R., 1779-1869,
1
Baird, Robert, 1798-1863
1
Baker, Conrad, 1817-1885
1
Bakunin, Mikhail Aleksandrovich, 1814-1876,
1
Bancroft, George, 1800-1891
1
Barnard, Joseph W.
1
Baroni, Geno C. 1930-
1
Barrett & Jones
1
Barton, Benjamin Smith 1766-1815
1
Barton, George Washington
1
Bayard, Thomas Francis, 1828-1898
1
Bazley, John H.
1
Beard, Edward L.
1
Beck, James M. 1861-1936
1
Belles Lettres Society (Dickinson College : Carlisle, Pa.)
1
Beneš, Vojta, 1878-1951,
1
Berrigan, Daniel
1
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