At least one of your sources must be from either
- a government agency (U.S. govt or otherwise)
- an intergovernmental agency, such as the World Heath Organization or United Nations or
- a charitable non-governmental organization
When searching Google, include either
- site:.gov
- site:.int
- site:.org
Exclude journal articles by avoiding web pages whose URL begins with any of:
- https://www.ncbi.nlm.nih.gov/pmc
- https://pubmed.ncbi.nlm.nih.gov/
- https://eric.ed.gov/
Look at more than your first page or two of search results to find something good.
- If your results don't seem relevant enough to cultural anthropology, consider including any or all of the following [linking them with OR]:
(cultural OR culture OR anthropological OR anthropology OR anthropologist)