Suber, PeterThorpe, A.L.P.2011-02-142011-02-14Peter Suber and A.L.P. Thorpe, An English Homophone Dictionary, http://www.earlham.edu/~peters/writing/homofone.htm.http://nrs.harvard.edu/urn-3:HUL.InstRepos:4725026en-USscholarly communicationOther2011-02-14