Capital letters are used with: 

* the first word in a sentence or direct quotation 
# They like hamburgers.

* names of persons and the word "I" 
# Jerry, Jill and I went shopping.
* names of particular places 
# We like to go to the Abbey in Ely Center. 

* names of the days of the week, months, and holidays 
# Christmas falls on December 25 every year.

* names of commercial products 
# Our copy machine is made by Xerox.

* names of organizations such as religious and political groups, associations, companies, unions and clubs 
# Many people are members of the National Association of the Deaf.
* words in titles of books, magazines, newspapers, articles, stories, poems, films, television shows, songs, papers that you write 
# Gallaudet Today is an informative magazine. 

However, a word like a, an, the, but, for, and is not capitalized unless it is the first word of the title or the first word after a colon. 
* Perspectives on Deafness: A Deaf American Monograph was edited by Mervin D. Garretson. 
* On the Green is an in-house Gallaudet publication for faculty and staff.