Author
Philadelphia Record
9
Brøderbund
4
Belohlavek, Charles
3
Learning Company
3
Logan family
3
Balch Institute Center for Immigration Research
2
Historical Society of Pennsylvania
2
Swiss Benevolent Society of New York
2
Zazyczny, Joseph 1935-
2
AFL-CIO
1
Abbot, Joel, 1793-1855
1
Adams, Ansel, 1902-1984
1
American Jewish Historical Society
1
American Red Cross. Allied Prisoners of War Food Packing Service
1
Andrew Clow & Company
1
Apfelbaum, Charles
1
Associated Polish Home of Philadelphia
1
Atherton, Humphrey 1783-1849
1
Atlantis, National Daily Greek Newspaper
1
Balch family
1
Bank of North America
1
Bartram, Isaac
1
Bartram, John 1699-1777
1
Bartram, Moses 1732-1809
1
Bartram, William 1739-1823
1
Batcheler, George Dewey 1926-2009
1
Batcheler, Penelope Hartshorne 1928-2007
1
Beiser family
1
Betts, Franklin Furman
1
Betts, Richard F.
1
Biddle, Anthony Joseph Drexel 1896-1961
1
Biddle, Clement 1740-1814
1
Binney, Amos
1
Blain, Daniel
1
Bodler family
1
Bonaparte, Anne
1
Borger, Abraham
1
Boëthius, Essie Sahlin 1859-1950
1
Brahl, Waldemar
1
Brandywine Workshop
1
Breck family
1
Bright, Nellie Rathbone 1898-1977
1
Brockmohle, Henry
1
Broderbund Software
1
Brooke, Henry K.
1
Brooke, John, Rutter 1838-1926
1
Brown family
1
Brown, Bruce
1
Brown, Charles Stuart 1915-1993
1
Buck, Charles Nicholas 1775-1851
1
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