Mount Wilson catalogue of photographic magnitudes in selected areas 1-139 /
Mount Wilson Observatory.
Seares, Frederick Hanley,1873-
Kapteyn, J. C.(Jacobus Cornelius),1851-1922.
Rhijn, P. J. van(Pieter Johannes),1886-
Joyner, Mary C.(Mary Cross),1889-
Richmond, Myrtle L.
[Washington] : Carnegie Institution of Washington,
1930.
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