Author
United States Hydrographic Office
704
U.S. Coast and Geodetic Survey
351
United States Coast Guard
199
Bowditch, Nathaniel, 1773-1838
118
United States Defense Mapping Agency. Hydrographic/Topographic Center
105
United States National Transportation Safety Board
101
United States Naval Oceanographic Office
90
National Ocean Survey
88
Canadian Hydrographic Service
86
United States National Imagery and Mapping Agency
71
United States National Ocean Service
69
United States Congress. House. Committee on Merchant Marine and Fisheries
68
United States Defense Mapping Agency. Hydrographic Center
65
International Maritime Organization
61
Great Britain Hydrographic Department
58
United States National Geospatial-Intelligence Agency
52
Fiske Icelandic Collection
48
Intergovernmental Maritime Consultative Organization
48
Great Britain Board of Trade
44
ebrary, Inc
44
Blunt, Edmund M (Edmund March), 1770-1862
40
International Maritime Economic History Association
40
United States Light-House Board
36
IEEE Aerospace and Electronic Systems Society
34
Lubbock, Basil, 1876-1944
34
Littlehales, G. W (George Washington), 1860-1943
32
United States Bureau of Light-Houses
30
United States General Accounting Office
30
Institute of Electrical and Electronics Engineers
29
International Symposium Electronics in Marine Zadar, Croatia
29
Norwood, Richard, 1590?-1675
29
Institute of Navigation
27
Graves, Herbert C (Herbert Cornelius), 1869-1919
26
History of Science Collection (Brown University)
26
Albuquerque, Luís de, 1917-1992
25
Dutton, Benjamin, 1883-1937
25
Jones, Ray, 1948-
25
Weintrit, Adam
25
Bowditch, Jonathan Ingersoll, 1806-1889
24
IEEE Xplore (Online service)
24
United States Bureau of Naval Personnel
24
United States Congress. Senate. Committee on Commerce
24
Aspley, John
23
Great Britain Hydrographic Office
23
Maury, Matthew Fontaine, 1806-1873
23
Atlantic Pilotage Authority (Canada)
22
Great Lakes Pilotage Authority
22
United States Naval Academy
22
Deutsches Hydrographisches Institut
21
Schroeder, Seaton, 1849-1922
21
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