National Institutes of Health (NIH)
http://www.nih.gov/

How to Write an Application Involving Research Animals
https://www.niaid.nih.gov/grants-contracts/research-vertebrate-animals

NIH-Office of Animal Care and Use
https://oacu.oir.nih.gov/animal-research-advisory-committee-guidelines

Office of Laboratory Animal Welfare (OLAW)
http://grants.nih.gov/grants/olaw/olaw.htm

United States Department of Agriculture (USDA)
http://www.usda.gov/wps/portal/usdahome

Animal and Plant Health Inspection Service (APHIS) - Animal Welfare
https://www.aphis.usda.gov/aphis/ourfocus/animalwelfare

Public Health Service (PHS)
http://grants.nih.gov/grants/olaw/references/phspol.htm

USDA Animal Welfare Act
https://www.nal.usda.gov/awic/animal-welfare-act

Association of Assessment and Accreditation of Laboratory Animal Care, International (AAALAC)
http://www.aaalac.org/

American Association of Laboratory Animal Science (AALAS)
https://www.aalas.org/