Author
Chamber of Commerce of Greater Philadelphia
5
Historical Society of Delaware
5
Delaware. Public Archives Commission
3
Eleutherian Mills-Hagley Foundation
3
Institute of Colored Teachers of the State of Delaware
3
Penjerdel (Corporation)
3
Southeastern Pennsylvania Transportation Authority
3
Delaware County Institute of Science (Media, Pa.)
2
Delaware County Real Estate Board (Pa.)
2
Delaware County Teachers' Association
2
Delaware Railroad Company
2
Delaware State Arts Council Office of the Arts
2
Delaware and Atlantic Telegraph and Telephone Company
2
Elise Willing Balch Collection
2
Service Citizens of Delaware
2
United States. Army. Corps of Engineers
2
United States. Board of Engineers for Rivers and Harbors
2
United States. Maritime Administration
2
University of Delaware. Agricultural Experiment Station
2
Agricultural Society and Institute of New Castle County, Del
1
Allen, Clifford P. 1841-
1
Bell Telephone Company of Pennsylvania
1
Brookline (Pa.) Union Methodist Church
1
Darlington, William, 1782-1863
1
Delaware
1
Delaware Association for the Moral Improvement and Education of the Colored People
1
Delaware Bible Society (Wilmington, Del.)
1
Delaware Bridge Joint Commission of the States of Pennsylvania and New Jersey
1
Delaware County Historical Society
1
Delaware Genealogical Society
1
Delaware Legislative Council
1
Delaware Library Association. College and Research Libraries Division
1
Delaware Parent-teacher Association
1
Delaware River Basin Commission
1
Delaware River Joint Commission of Pennsylvania and New Jersey
1
Delaware River Port Authority
1
Delaware State Arts Council
1
Delaware State Dept. of Public Instruction
1
Delaware State Teachers' Institute Committee
1
Delaware Superintendent of Free Schools
1
Delaware Tourism Office
1
Delaware Unemployment Compensation Commission
1
Delaware Valley Archivists Group
1
Delaware Valley Community Reinvestment Fund
1
Delaware. Department of Public Instruction
1
Delaware. General Assembly. House of Representatives
1
Delaware. State Board of Education
1
Emily Swift Balch Collection
1
Ferris Industrial School (New Castle Co., Del.)
1
Fox, Thomas, philom
1
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