http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
A Field Guide to the birds of Britain and Europe
HOLLOM, P.A.D. : -- Die Vögel Europas. A Field Guide to -- the birds of Britain and Europe. -- Deutsch. 1954 -- s. PETERSON, Roger.