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Published online by Cambridge University Press: 25 April 2016
The following lines give a summary of the work of Kapteyn’s Plan of Selected Areas from January 1938 up to September 1947.
page no 330 note * [1] means No. 1 of the list of Publications in section 11. This notation is continued in the following pages.
page no 336 note * ‘Intercomparison of Various Spectral Classifications of Faint Stars’, by Vyssotsky, A. N., Astrophysical Journal, 93, 425, 1941 CrossRefGoogle Scholar.