Edinburgh, Washington: 1913-30. 8vo. and 4to. FIRST EDITIONS. All in original printed wrappers. Titles are as follows: 1. "On the ‘kinetic theory' of star-clusters." Offprint from Monthly Notices of the Royal Astronomical Society, Vol. LXXIV, No. 2, December, 1913, pp. 109-12. 2. "On the theory of star-streaming and the structure..... More