|
2009-11-11 |
NASA Thesaurus |
National Aeronautics and Space Administration |
Thesaurus |
|
2009-11-10 |
National Drug File - Reference Terminology |
Library of Medicine, National Institutes of Health |
Classification System |
|
2009-10-14 |
National Information Center for Educational Media |
Access Innovations, Inc. |
Thesaurus |
|
2010-09-03 |
NCBI Taxonomy |
|
Classification System |
|
2009-11-10 |
NewsIndexer Thesaurus |
Access Innovations, Inc. |
Thesaurus |
|
2009-11-18 |
NG gazetteer |
National Geographic Society (NGS) |
Gazetteer |
|
2009-11-19 |
Ngā Ūpoko Tukutuku / Māori Subject Headings |
National Library of New Zealand. Authorization granted by the MARC Standards Office of the Library of Congress for international application of the thesaurus. |
Thesaurus |
|
2009-11-10 |
North American Industry Classification System |
U.S. Census Bureau |
Classification System |
|
2009-10-22 |
OmegaWiki project |
OmegaWiki |
Controlled vocabulary |
|
2009-11-18 |
Optics Classification and Indexing Scheme |
Optical Society of America |
Classification System |