http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
28 volumes : illustrations, maps. ; 22-29 cm.
Issues for 1945- "published as a service of the magazine Airports," by Haire Pub. Co.
Airports, established landing fields and seaplane bases in the United States