http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Issues for v. 14, no. 5-v. 15, no. 1 called Fall 1977-Spring 1978.
Continued by: Bulletin (Texas Aeronautics Commission), v. 17, no. 4 (July-Aug. 1980)-v. 17, no. 6 (Nov.-Dec. 1980).
Changed back to: TAC bulletin, v. 18, no. 1 (Jan.-Feb. 1981)-