APS careers in physiology:

http://www.the-aps.org/careers/car_brochure.htm

Careers in medicine, veterinary medicine, & health-related fields:

http://www.furman.edu/~snyder/careers/medical.html

Women in biology: http://pingu.salk.edu/~forsburg/bio.html

Careers in microbiology:

http://www.asmusa.org/edusrc/edu21.htm

Careers in botany:

http://www.botany.org/bsa/careers/

Careers in oceanography & marine biology:

http://www-marine.stanford.edu/HMSweb/careers.html

Careers in aquatic & marine science:

http://www.aza.org/publications/careeraqua.htm

Careers in aquatic science:

http://www.aslo.org/students/career.html

FASEB careers in biochemistry & molecular biology (very slow to open, but very good):

http://www.faseb.org/careers/pubs/unlock.htm

Zoo and Aquarium Career Opportunities (American Association of Zoo Keepers):

http://www.aazk.org/Career/career.htm

AIBS careers in biology:

http://www.aibs.org/careers/

Cell and Molecular Biology Online (good general information site):

http://www.cellbio.com/careers.html

National Museum of Natural History (no links, but lots of addresses, brochures, many free):

http://www.si.edu/resource/faq/nmnh/careers.htm

Careers in theoretical biology:

http://life.biology.mcmaster.ca/~brian/biomath/careers.theo.biol.html

Careers in systematic biology

http://www.csdl.tamu.edu/FLORA/aspt/asptcar1.htm

Careers in genetics

http://www.faseb.org/genetics/gsa/careers/bro-menu.htm

Careers in human genetics

http://www.kumc.edu/gec/prof/career.html

Careers in human behavioral evolution

http://www.hbes.com/places_to_study.htm

Careers in animal behavior

http://www.indiana.edu/~animal/help/careers.html

Careers in forensic science

http://www.aafs.org/,
http://www.forensic-science-society.org.uk/forcareer.html

Careers as a Physician's Assistant

http://www.aapa.org/

Careers in plant systematics

http://www.sysbot.org/

Careers for Pathologist's Assistants

http://www.pathologistsassistants.org/

Careers for Physical Therapists

https://www.apta.org/Career_center/InterestedInBecoming

Physical Therapy at UNM

http://hsc.unm.edu/som/physther/