Avtor
Geological Survey (U.S.)
570
United States Bureau of the Census
391
Federal Financial Institutions Examination Council (U.S.)
303
United States Soil Conservation Service
245
Ohio Agricultural Research and Development Center
230
Ohio
197
United States Bureau of Labor Statistics
191
Morrison, Toni
189
Ohio Division of Geological Survey
179
Ohio Division of Lands and Soil
179
Rand McNally and Company
156
Harris Collection of American Poetry and Plays (Brown University) Broadsides
153
Cleveland Museum of Art
137
Ohio General Assembly
118
United States
109
Cincinnati Art Museum
102
United States Congress
99
Mortgage Insurance Companies of America
87
Geological Survey of Ohio
83
Ohio Department of Highways
82
Gotham Book Mart Collection (University of Pennsylvania)
73
American Automobile Association
72
Ohio Supreme Court
72
United States Forest Service
72
Broadsides Collection (Brown University)
71
Ohio Division of Water
70
Ohio Historical Society
70
Ohio Secretary of State
68
Sherwin-Williams Company
64
Ohio Division of Soil and Water Conservation
62
Toledo Museum of Art
61
Spectrum Map Publishing, Inc
52
Adam Matthew Digital (Firm)
47
National Survey (Firm)
47
Ohio Department of Natural Resources
47
Anderson, Sherwood, 1876-1941
46
H.M. Gousha Company
45
St. Martin's Press/Tor Archive (Brown University)
45
Cuyahoga Valley National Park (Agency : U.S.)
44
Kilbourn, John, 1787-1833
44
Swan, Joseph R (Joseph Rockwell), 1802-1884
44
Western Reserve Historical Society
44
ebrary, Inc
44
Chase, Salmon P (Salmon Portland), 1808-1873
42
Arthur Billings Hunt Collection (Columbia University. Libraries)
41
Scioto Baptist Association
41
Ohio Agricultural Experiment Station
40
Ohio Auditor of State
40
Franklin Thomas Backus School of Law
38
United States Public Roads Administration
38
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