The American Wood Council (AWC) is a trade association that represents North American wood products manufacturers. (From Wikipedia)
More about American Wood Council:Books by American Wood Council:
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American Wood Council: Details for Conventional Wood Frame Construction (c2001) (PDF at awc.org)- American Wood Council: Plank-And-Beam Framing for Residential Buildings (c2003) (PDF at awc.org)
Find more by American Wood Council at your library, or elsewhere.