'Direct search is a growing compilation of links to the search interfaces of resources that contain data not easily or entirely searchable/accessible from general search tools like Alta Vista, Google, or Hotbot.' Updated daily.
Although aimed at the legal profession, its links to resources can be helpful for any academic discipline.
Over 150 million pages spidered and indexed with hundreds of thousands of search engines indexed and searchable.
Has some key links for land care, including animals, fungi, GIS, plants and soil.
Covers the latest scientific news and more. Includes the social sciences, such as anthropology.
Explains how to use subject directories, search engines, and the deep (invisible) web in research.
'The Internet Archive is building a digital library of Internet sites and other cultural artifacts in digital form.' An archive of more than 10 billion internet pages with free access. You must have the prior web address (URL) to locate your page.
Covers biology, agriculture, medicine, business, economics, cultural diversity, e-journals, government information, maps and GIS, the physical sciences, engineering, computer science, mathmatics, social sciences, humanities, and the visual and performing arts.
Over 2000 search engines, indices, and directories arranged by subject.
Search or browse featured collections of quality links with descriptions. Prepared by professional librarians for use to the general public.
'Clusty queries several top search engines, combines the results, and generates an ordered list based on comparative ranking. ... [This] search engine groups similar results together in clusters.' Searches can be conducted for the whole Web, and for specific areas, such as blogs and news. (Copyright 2006 by Librarians' Internet Index)