Johann G. Galle Sources

Johann Gottfried Galle

·         "Johann Gottfried Galle." Science and Its Times. Ed. Neil Schlager and Josh Lauer. Vol. 5: 1800 to 1899. Detroit: Gale, 2000. 495. Gale Virtual Reference Library. Web. 12 Feb. 2015.

·         "Galle, Johann Gottfried." Complete Dictionary of Scientific Biography. Vol. 5. Detroit: Charles Scribner's Sons, 2008. 256-259. Gale Virtual Reference Library. Web. 12 Feb. 2015.

·          "Galle, Johann Gottfried." The Columbia Encyclopedia. 6th Ed.. 2014. "Galle, Johann Gottfried." Encyclopedia.com. HighBeam Research, 01 Jan. 2008. Web. 12 Feb. 2015.