Links to External Resources
Almanacs and Dictionaries
- alphaDictionary
(Search 992 online English dictionaries) - Dictionarist: Online Talking Dictionary
- Information Please Almanac Online
- Langenberg Language Translation
- Many Language Dictionaries
- Old Farmer's Almanac
- Roget's Thesaurus
- Merriam-Webster Online
(Dictionary and Thesaurus)
Biodiversity
- Biodiversity and Biological Collections portal
(Links to many other sites) - Biodiversity Data Portal (GBIF)
(Search taxonomic databases from a single portal) - Biodiversity Heritage Library
(Search digitized natural history books and journals) - BiologyBrowser (Thomson)
(Search taxonomic databases from a single portal) - Conservation Databases
(World Conservation Monitoring Centre) - Convention on Biological Diversity
- Discover Life
(Use keys to identify species) - Earth Trends: The Environmental Portal
(World Resources Institute) - Entrez, the Life Sciences Search Engine
(Includes GenBank and molecular databases) - Global Biodiversity Information Facility (GBIF)
(International agreements on the collection of global biodiversity data) - Index Animalium
(Charles Davies Sherborn) - Index to Organism Names
(Thomson's BIOSIS) - Integrated Taxonomic Information System
- Invasive Species Program
(US Fish and Wildlife Service) - National Center for Biotechnology Information
(Includes GenBank and molecular databases) - Nomenclatural Glossary for Zoology (BIOSIS)
- Nomenclator Zoologicus
(Names of the genera and subgenera in zoology) - Nucleotide Sequence Search
- Smithsonian Collections Databases
(Specimens and objects in the National Museum of Natural History) -
Some Biogeographers, Evolutionists, and Ecologists
(Biographical sketches of naturalists before 1950) - Species 2000
(Indexing the world's known species) - TreeBASE
(A database of phylogenetic knowledge) - The Tree of Life
(Information about phylogeny and biodiversity) - Western Soundscape Archive
(Sounds made by animals of the Western U.S.) - World Taxonomist Database
(Expert Center for Taxonomic Identification)
Botany
- Botanicus Digital Library
(Missouri Botanical Garden) - British Phycological Society, Links
- Concordance of Angiosperm Family Names
(USDA and the University of Maryland) -
Cyberliber
(an electronic library for Mycology) - ePIC
(Electronic Plant Information Centre, Kew) - Fairchild Virtual Herbarium Web Portal
(Search several herbaria at once) - Flora of North America
- GRIN Taxonomy for Plants
(USDA Agricultural Research Service) - Harvard University Herbaria Databases
(Botanists, Publications, and Specimens databases) - Index Nominum Genericorum
(Generic names covered by the ICBN, A project of the IAPT and Smithsonian) - Index Nominum supragenericorum Plantarum Vascularium
(An index to suprageneric names; a project of the IAPT, NAL, and University of Maryland) - International Plant Names Index
(Plant names, Authors, and Publications databases) - Kew Bibliographic Databases
(From the Royal Botanic Gardens, Kew) - National PLANTS Database
(US Department of Agriculture) - New York Botanical Gardens Virtual Herbarium
(Specimen databases of all kinds) - Online Catalog of the herbarium of the Academy of Natural Sciences, Philadelphia
(Database includes images of specimen sheets) - Pennsylvania Flora Project
(University of Pennsylvania's Morris Arboretum) - Smithsonian Botanical Type Specimen Register
- Tropical Plant Database
(Plants of the Amazon Rainforest, from Raintree) - Tropicos
(Missouri Botanical Garden)
Entomology
- Butterflies and Moths of the World
(Natural History Museum in London) - Butterflies and Moths of North America
- Dragonflies and Damselflies (Odonata) of the United States
(Sponsored by the USGS) - Entomology Index of Internet Resources
(Iowa State University) - Global Lepidoptera Names Index
(Natural History Museum of London) - Mayflies of the United States
(Sponsored by the USGS) - Orthoptera Species File Online
(Over 25,000 species) - Pennsylvania Aquatic Insects
(From Pennsylvania State University) - Stoneflies of the United States
(Sponsored by the USGS)
Herpetology
- Amphibian Species of the World
- AmphibiaWeb
- The EMBL Reptile Database
- Global Amphibian Assessment
- Turtles of the World
Ichthyology
- Catalog of Fishes
(California Academy of Sciences) - FishBase
(A Global Information System on Fishes
If the link above does not work, click here.) - LarvalBase
(Global Information System about Fish Larvae) - FishNet2
(Ichthyology collections of 24 institutions) - Neodat II
(Inter-institutional database of fish biodiversity in the neotropics)
Malacology
- Malacolog 4
(Western Atlantic Gastropod Database) - OBIS
(A Biotic Database of Indo-Pacific Marine Mollusks)
Ornithology
- "All About Birds" Bird Guide
(Cornell Lab of Ornithology) - Bird Names: A translation index
(Bird names in nine languages) - Birds, Birds, Birds
(US Fish & Wildlife Service) - BirdSource
(National Audubon Society Bird Counts) - Bird Families of the World
(Cornell University) - Ornithological Worldwide Literature (OWL)
- Smithsonian Institution, Museum of Natural History
(Division of Birds, type specimens database) - Searchable Ornithological Research Archive (SORA)
- Xeno-Canto: Bird Sounds from the Americas
Book Sellers and Publishers
- AddALL.com
(Used, rare, and out-of-print booksellers around the world) - Abebooks.com
(Used, rare, and out-of-print booksellers around the world) - Alibris
(Out-of-print, used, foreign language, and collectible books) - Amazon.com
(Books currently in print) - Barnes and Noble
- BookFinder.com
(New, used and rare books) - Booksprice.com
(Compare prices for new, used and rare books) - China Scientific Book Services
- Natural History Book Service
- Publishers' Catalogues Home Pages
- PubList.com
(Includes journal titles)
Copyright and Fair Use
- Berne Convention for the Protection of Literary and Artistic Works (Paris Text, 1971)
(World Intellectual Property Organization) - How to Investigate the Copyright Status of a Work (Circular 22)
- Title 37 of the Code of Federal Regulations
(U.S. Copyright Office) - United States Code, Title 17, Copyrights Act
(Cornell, Legal Information Institute) - United States Copyright Office
- World Intellectual Property Organization (WIPO)
Currency Exchange Rates
Directories
- AT&T's AnyWho Directory
(White and Yellow Pages) - AT&T Toll-Free Phone Book
- International Calling Codes
- Switchboard
(Find a person or business) - Telephone Area Code Lookup
- Telephone Directories on the Web
(Directories from around the world) - Zip+4 Code Look-up
(United States Postal Service)
Earth Sciences and Water Resources
- Earth Sciences & Map Library
(UC Berkeley Library Digital Map Collection) - Earth Trends: The Environmental Information Portal
(World Resources Institute) - National Climatic Data Center
- National Oceanographic and Atmospheric Administration
- National Wetlands Inventory
(US Fish and Wildlife Service) - Ocean, Great Lakes and Coastal Research
(NOAA) - Pennsylvania Geology
- US Geological Survey Home Page
- USGS Publications Warehouse
- USGS Water-Data Reports
- USGS Water Resources
- USGS Search Engine
Endangered Species
- IUCN Red List of Threatened Species
- EELink Endangered Species
(Links to lists and organizations around the world) - Species Information
(US Fish and Wildlife Service endangered species info) -
Threatened Animals of the World
(World Conservation Monitoring Centre)
Funding Opportunities
- Delaware Valley Grantmakers
- Foundation Center Online Library
- Institute of Museum and Library Services (IMLS)
- National Science Foundation
- US EPA National Center for Environmental Research
Government/Law
- Code of Federal Regulations
- Environmental Laws and Regulations
(US Environmental Protection Agency) - Federal Register
- FirstGov
(Provides access to federal, state, and local agencies) - FedWorld Information Network
- SearchGov.com
- THOMAS: Legislative Information
(Includes status of bills, current issues, provided by the Library of Congress)
Library Catalogs and Home Pages
- Gallica: Biblioteque Nationale de France
(Natural history books digitized in full) - LibDex
(Index to 18,000 Libraries) - Library of Congress Catalog
- Natural History Libraries
- American Museum of Natural History Library
- National Sea Grant Library
- Natural History Museum Library (London)
- Philadelphia Area Consortium of Special Collections Libraries
(Index to specialized libraries of the Philadelphia region) - Philadelphia Free Library
- Smithsonian Institution Libraries
- University of Delaware
- University of Maryland
- University of Pennsylvania Library
- US EPA Online Library System
- USGS Library
Maps
- GEOnet Names Server
(For foreign place names) - Getty Thesaurus of Geographic Names (TGN)
(Place names, past and present) - Google Maps
- MapTech MapServer
(Includes nautical charts) - Microsoft TerraServer
(Digital aerial photographs of the USGS) - TopoZone
(Digital topographic maps of the USGS) - USGS Geographic Names Information System (GNIS)
(for domestic place names) - USGS Earth Resources Observation and Science (EROS)
- Yahoo! Maps
Measures and Weights
Natural History Museums
- Natural History Museums and Collections
- American Museum of Natural History
- Bishop Museum, Honolulu, Hawaii
- California Academy of Sciences
- Carnegie Museum of Natural History
- Field Museum of Natural History, Chicago
- Museum of Comparative Zoology, Harvard U
- Museum of Zoology, U of Michigan
- Natural History Museum, London
- Natural History Museum of Los Angeles County
- Peabody Museum of Natural History, Yale University
- Smithsonian Institution, National Museum of Natural History
News
- Christian Science Monitor and Archived Articles
- CNN News
- Daily News Headlines at Yahoo
- New York Times
- Philadelphia Inquirer
Reference Shelf
- Acronym Finder
- All That JAS
(Journal Abbreviation Sources) - Bartleby's Great Books Online
(Standard reference resources of all kinds) - Bartleby's.com Quotations
(Standard quotations resources) - Bartlett's Familiar Quotations
(Columbia University's Bartleby Library of Electronic Texts) - Chicago Manual of Style Online
(Quick Guide) - MMSDSSearch
(Material Safety Data Sheets) - The Pictorial Periodic Table of Elements
- Virtual Facts Online
- Virtual Reference Desk
- Yahoo! Reference
Statistics
- American FactFinder
(U.S. Census Bureau) - FedStats
(Statistics administered by government agencies) - State and County QuickFacts
(Census summaries for states and counties) - US Census 2000 Gateway
- U.S. Statistical Abstract
Travel
- Amtrak Online
- Septa Online
- Background Notes
(US Department of State) - Country Studies/Area Handbooks
(Library of Congress) - Travel Abroad
(US Department of State) -
The World Factbook
(Published by the CIA)