http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Focke-Wulf F 19a "Ente" commercial airplane (German)
National Advisory Committee for Aeronautics.
9 pages, 2 unnumbered leaves of plates : illustrations ; 27 cm.
"From a pamphlet issued by the manufacturers, and from Flight, Jan. 2, 1931."--P. [1].