http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Provides an overview of the various kinds of directives utilized by 20th-century Presidents, including background on the historical development, accounting, use, and effect of such directives.
Record is based on bibliographic data in ProQuest U.S. Congressional Research Digital Collection (last viewed July 2010). Reuse except for individual research requires license from ProQuest, LLC.
Library of Congress. Congressional Research Service.