Author
United States Exploring Expedition
66
International Geological Congress
54
Sherman & Smith
33
United States Hydrographic Office
30
Unesco
27
Wyman, R. H (Robert Harris), 1822-1882
25
National Ocean Survey
23
Wilde Americk: Discovery and Exploration of the New World, 1500-1850
20
Mapmaker's Art: 300 Years of British Cartography
18
Petroleum Economist Ltd
16
Wilkes, Charles, 1798-1877
15
Bush, P
13
Fuller, K
13
France Bureau de recherches géologiques et minières
10
Deutsche Atlantische Expedition
9
Great Britain Colonial Office
9
National Archives (Great Britain)
9
World Petroleum Congress
9
United Nations Environment Programme
8
Arrowsmith, John, 1790-1873
7
Bundesanstalt für Geowissenschaften und Rohstoffe
7
Commission for the Geological Map of the World Sub-commission for the Metallogenic Map of the World
7
Food and Agriculture Organization of the United Nations
7
Gullick, W. A (William Applegate)
7
Interstate Conference on Artesian Water
7
Petroleum Economist Cartographic (Firm)
7
Preussische Geologische Landesanstalt
7
World-wide Hydrogeological Mapping and Assessment Programme
7
Adam Matthew Digital (Firm)
6
American Geographical Society of New York
6
Assinniboine & Saskatchewan Exploring Expedition
6
International Union of Geological Sciences
6
Irish Academic Press
6
Paris Peace Conference
6
Pinna, Patrice
6
Soviet Union Glavnoe upravlenie geodezii i kartografii
6
Speed, John, 1552?-1629
6
Vancouver Expedition (1791-1795)
6
Bundesanstalt für Bodenforschung
5
Bundesanstalt für Bodenforschung
5
Chuo Kikuu cha Dar es Salaam
5
Colloquium on African Geology
5
Crafting Worldviews: European Instruments of Art and Science from Yale University
5
Dare, Henry Harvey, 1867-1949
5
Editorial Committee of the Metallogenic Map of Europe and Neighbouring Countries
5
Geological Survey of Tanzania
5
International Geographical Congress
5
International Geological Congress Mexico City, Mexico
5
Making History: Antiquaries in Britain
5
Struckmeier, W
5
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