Pathfinders are electronic subject bibliographies that showcase high-quality resources. You may have heard pathfinders referred to as subject gateways or webliographies. Pathfinders are consolidated lists created by librarians, containing links to selected electronic resources.

San Bernardino County Library's Pathfinders are annotated and extensive. For shorter lists of the most widely-used links in various categories, click on the other buttons on our WebLibrary page. Some sites are listed in both.

San Bernardino County Library's Pathfinders attempt to list sites with high-quality content, whose Website creators have authority within their subject areas, which are maintained/updated on a regular basis, which allow users to be able to make effective use of the sites, which are available consistently, and which provide significant content without a fee (though we list sites which require free registration).

The Online Computer Library Center in Dublin, Ohio hosts the following Pathfinders created by the San Bernardino County Library:

• Area and Country Studies and Ethnic Resources Pathfinder
• Astronomy and Space Travel Pathfinder (Divided into the following categories: General resources, observatories and other institutions (Southern California emphasis), Solar System, space travel, stars and deep space objects)
• Biology Resources Pathfinder (Divided into the following categories: General biology, Botany, Paleontology, and Zoology resources, with a California emphasis)
• Business Resources Pathfinder (Divided into the following categories: General business, Small business, Investment resources, and International trade )
• Career Resources Pathfinder (Divided into the following categories: Career and employment planning, General information, Organizations, Specific types of careers, and Small business information)
• Chemistry, Mathematics and Physics Resources Pathfinder
• Computer Resources Pathfinder (Divided into the following categories: General information, Computer magazines, Computer manufacturers, The Internet and the World Wide Web, Operating systems (Other than "Wintel" and Mac), Apples and Macs, MS-DOS/Windows PCs, Recycling used computers, Telecommunications, and Viruses, hackers, and cybercrime)
• Earth Sciences and Weather Resources Pathfinder (California emphasis)
• Education Resources Pathfinder (California emphasis. Divided into the following categories: General information, Literacy (including bilingual/ESL), Home schooling, Grade K-8 resources, Grade 9-12 resources, Higher education resources, and Finance, scholarship and grant resources)
• Entertainment Resources Pathfinder (California emphasis. Divided into the following categories: Motion pictures, theater, radio and television; Music; and Visual arts).
• Environmental Sciences Resources Pathfinder
• Family and Social Issues Resources Pathfinder (Divided into the following categories: Adoption, Family, Feminism and women's issues, Genealogy, Marriage and divorce, Safety, Seniors, Social action and volunteerism, and Youth).
• Geographic Information Services (GIS) Resources Pathfinder
• Health Resources Pathfinder (Divided into the following categories: General information; Search engines; Organizations; Diet, exercise, food and nutrition; Drugs and medications; and Alternative medicine).
• History Resources Pathfinder
• Kids and Teens Resources Pathfinder (Divided into the following categories: Fun sites, Homework help, Surf lists of youth sites, Useful sites for parents and teachers, and Science exploration)
• Libraries, Books and Authors Resources Pathfinder (California emphasis)
  
• Legal Resources Pathfinder
• News Resources Pathfinder (Southern California emphasis)
• Personal Finance Resources Pathfinder
• Political and Governmental Resources Pathfinder
• Quick Reference Resources Pathfinder (Internet resources providing quick answers to narrowly-focused questions)
• Religion and Philosophy Resources Pathfinder
• Science News Resources Pathfinder
• Science Project Resources Pathfinder
• Specific Disease and Medical Conditions Resources Pathfinder (Divided into the following categories: AIDs and HIV; Alcohol, smoking, and drug abuse; Allergies and asthma; Arthritis; Cancer; Children's health care; Death and dying; Dental care; Diabetes; Elder health; Environment/workplace; Eye; Heart disease, Hypertension and stroke; Infectious and genetic diseases, bacteria and viruses; Lung diseases; Mental health; Nervous system diseases; Pain, Headache; Pregnancy/childbirth, Women's health; Sexuality; Skin diseases; and Sleep disorders)
• Sports Resources Pathfinder (California emphasis)
• Travel Resources Pathfinder (Southern California emphasis. Divided into the following categories: General information; Accommodations; Airlines; Cars, ships, trains and subways; California destinations; United States destinations; and International destinations)