"Ireland." Worldmark Encyclopedia of the Nations. Ed. Timothy L. Gall and Jeneen M. Hobby. 12th ed. Vol. 5: Europe. Detroit: Gale, 2007. 335-350. Gale Virtual Reference Library. Web. 23 Apr. 2012.
Allbray, Nedda C. "Brooklyn, New York." Encyclopedia of American Urban History. Ed. David Goldfield. Vol. 1. Thousand Oaks, CA: Sage Reference, 2007. 98-99. Gale Virtual Reference Library. Web. 23 Apr. 2012.
Register, Woody. "Coney Island." Encyclopedia of Recreation and Leisure in America. Ed. Gary S. Cross. Vol. 1. Detroit: Charles Scribner's Sons, 2004. 239-242. Gale Virtual Reference Library. Web. 23 Apr. 2012.
Tygiel, Jules. "Robinson, Jackie." Encyclopedia of African-American Culture and History. Ed. Colin A. Palmer. 2nd ed. Vol. 5. Detroit: Macmillan Reference USA, 2006. 1966-1968. Gale Virtual Reference Library. Web. 23 Apr. 2012.