http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
ZONES of stars observed at the United Naval Observatory in the years 1846, 1847, 1848 and 1849
10.546 -- 1870,App.4. -- KEITH,Reuel [Mitarb.]: -- s.ZONES of stars observed at the United -- Naval Observatory in the years 1846, -- 1847,1848 and 1849. 1872