"Crap". American Heritage Dictionary of the English Language. Houghton Mifflin. 2001. Archived from the original on October 21, 2005. Retrieved June 17, 2011.
Dave Wilton (24 February 2007). "Wog". WordOrigins.org. Archived from the original on 12 October 2007. Retrieved 18 October 2014.
"Golf". American Heritage Dictionary of the English Language. Houghton Mifflin. 2001. Archived from the original on May 1, 2007. Retrieved June 17, 2011.
"Handicap". American Heritage Dictionary of the English Language. Houghton Mifflin. 2001. Archived from the original on October 13, 2005. Retrieved June 17, 2011.
"Island". American Heritage Dictionary of the English Language. Houghton Mifflin. 2001. Archived from the original on July 1, 2007. Retrieved June 17, 2011.
"Crap". American Heritage Dictionary of the English Language. Houghton Mifflin. 2001. Archived from the original on October 21, 2005. Retrieved June 17, 2011.
"Golf". American Heritage Dictionary of the English Language. Houghton Mifflin. 2001. Archived from the original on May 1, 2007. Retrieved June 17, 2011.
"Handicap". American Heritage Dictionary of the English Language. Houghton Mifflin. 2001. Archived from the original on October 13, 2005. Retrieved June 17, 2011.
"Island". American Heritage Dictionary of the English Language. Houghton Mifflin. 2001. Archived from the original on July 1, 2007. Retrieved June 17, 2011.