http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Standard specifications for grades of tidewater red cypress
structural stress grades : grade marks and rates of charges for inspection and reinspection service
Southern Cypress Manufacturers' Association
"Effective April 15, 1958; these rules are current on date of mailing; approved by Board of Review, American Lumber Standards Committee."