http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Providing for experimental air-mail services
Providing for experimental air-mail services and further extension of Air Mail Service
Committee on Post Offices and Post Roads.
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Jan. 2008). Reuse except for individual research requires license from ProQuest, LLC.
ProQuest U.S. Serial Set Digital Collection