[Herschel (Carolina.)]

[Notice of her Life.]

Monthly Notices Roy. Ast. Soc., vol. 8, p. 64; also, Memoirs Roy. Ast. Soc., vol. 17, p. 120.

[Herschel (Carolina.)]

[Pg 228]Memoir and Correspondence of Caroline Herschel. By Mrs. John Herschel. With portraits. London, 1876. 12mo.

Herschel (J. F. W.)

Article Telescope, in Encyclopædia Britannica, eighth edition. [This article (illustrated) gives most of the important features of Sir William Herschel's manner of grinding and polishing specula.]

Herschel (J. F. W.)

Catalogue of Nebulæ and Clusters of Stars. [General and systematic reduction of all Sir W. Herschel's observations brought into connection with all other similar ones.]

Phil. Trans., 1864. Page 1. 4to.