In The Proceedings of the American Philosophical Society, Volume LXXV, No. 3, July 1935 at pp. Single article in whole issue. See, DSB for a biographical summary of Swann and his contributions to cosmology and astronomy. In the Monthly Notices of the Royal Astronomical Society, Vol. LXIV, No. 8, June 1904 at pp.
Whole issue has several articles on astronomy.
Good, a few chips on spine. In the Monthly Notices of the Royal Astronomical Society, Vol. No. 6, April 1904 at pp. Whole issue has several articles on astronomy plus appendix. VG, a few chips on wraps.