Hall, Sidney, etcher. still image Book illustrations 1820-1830. gmgpc Etchings Hand-colored 1820-1830. gmgpc [1825] eng Astronomical chart showing the twins Castor and Pollux forming the constellation. Illus. in: Urania's mirror, 1825, pl. 18. Gemini (Astrology) Constellations--1820-1830. Astronomy--1820-1830. Twins--1820-1830. Zodiac--1820-1830. http://hdl.loc.gov/loc.pnp/cph.3g10066 No known restrictions on publication in the U.S. Use elsewhere may be restricted by other countries' laws. For general information see "Copyright and Other Restrictions..." (http://lcweb.loc.gov/rr/print/195_copr.html)