http://owl.english.purdue.edu/owl/resource/592/1/ Purdue OWL Explanation capitalization Capital letters When is the word acropolis capitalized? Purdue OWL Capital letters quick guide to capitalization A Little Help with Capitals Capitalization http://owl.english.purdue.edu/owl/resource/592/1/ Capital letters Explanation Purdue OWL Purdue OWL Purdue OWL Examples for Capital Letters Capital letters http://owl.english.purdue.edu/owl/resource/592/1/