http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The Cushing Library/Chapman Texas Collection copy is part of the Floyd & Louise Chapman Texas & Borderlands Collection.
Description based on: 1968; title from cover.
One of the Cushing Library/Texas and Borderlands copies contains a loose page of typewritten and handwritten calculations.