A database of mammalian taxonomy. It is hoped that this database on the World Wide Web can be used as a convenient on-line reference for identifying or verifying recognized scientific names and for taxonomic research. The names are organized in a hierarchy that includes Order, Suborder, Family, Subfamily, Genus, Species and Subspecies.

Instructional Materials Thesaurus for the subjects of Biology of the high school level Spanish education system (17-18 years).

Thematic terms for categorizing information resources. This thesaurus is intended to support finding and understanding scientific information.

All rights reserved. Data in the UK Archival Thesaurus and other information on this website may be freely used and copied, without prior permission, for educational and other non-commercial purposes. These purposes include (but are not limited to) the incorporation of UKAT data into indexes, thesauri and finding aids created by organisations and projects in the archive sector and the wider heritage sector, in the UK and elsewhere. Under no circumstances may copies of UKAT data or other information on this website be sold without prior written permission from the UKAT Project.

The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.

The Health Canada Controlled Subject Vocabulary was developed to provide subject access to Health Canada's information resources.

http://arxiv.org/help/oa/index

Brazilian science journals - all full text.