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Published online by Cambridge University Press: 25 April 2016
The following lines give a summary of the work concerning Kapteyn’s Plan of Selected Areas up to December 1937.
page no 268 note * [1] means No. 1 of the list of Publications in section 12. This notation is continued in the following pages.
page no 269 note * Asironomische Nachrichten, 183, 297, 1910.
page no 270 note * See section 8.
page no 271 note * Stockholms Observatorium Meddelande, Nos. 31 and 32, 1937.
page no 271 note † Popular Astronomy, 45, 86, 1937.
page no 273 note * Transactions of the International Astronomical Union, 5, 207, 1936.