Sunspots & faculae, December 1908.
Sunspot Group, 19 Dec. 1908. León, Mexico.
Sunspot group, 18 Dec 1908, 8 a.m. Mr. & Mrs. León.
Sunspot 2 Dec 1908, 7a.m.; Sunspot 8 Dec 1908, 9:15 a.m.; León, Mexico.
Transits of Mercury, A.D. 1900-2000. A.J. Reading, Toronto, Ont.
Sunspots (full disk). Lick photo.
Solar Granulation, 25 June 1905 (Hansky). A.J. Reading, Toronto, Ont.
Solar Granulation (Hansky). A.J. Reading, Toronto, Ont.
The Sun-18 July 1905. E.W. Maunder, Greenwich.
Star Map showing Total Eclipse of 28 May 1900.
