International Astronomical Union.
[BERTHELOT, Marcelin (1827-1907)] CHATELIER, Henry Le (1850-1936).
BIERMANN, Ludwig (1907-1986).
[NEWTON] CLARK, David H. & Stephen P. H. CLARK.
[VERDOORN, Frans] SMIT, P. & R. J. Ch. V. ter LAAGE, editors.
DESLANDRES, Henri Alexandre (1853-1948).
BROADBENT, J. A., & H. P. CHARLES.
[Mars] ANDERS, Edward & Tobias OWEN.
COPE, Edward Drinker (1840-1897).
HODGSON, G. W., & B. L. BAKER.
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