http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Quarterly, Jan./Mar. 1956-Oct./Dec. 1958
Bimonthly, Jan./Feb. 1959-Jan./Feb. 1960
Supplements: Directory of Texas manufacturers.
Continued by the editor as a private publication called: Wright review.