A cumulative body of knowledge, know - how, practices and representations maintained and developed by peoples with extended histories of interaction with the natural environment. (humanrights.gov.au)
A more extended history of discussion on the concept can be found in the mailing list archives as well. (coindesk.com)
I would assume that because of Newfoundland's extended history as a crown colony the wigs were retained for a longer period than in the rest of the country. (jjmccullough.com)