SUNY Empire State College
Empire State College: Apostrophes
This resource looks at the three main uses of apostrophes: to take the place of deleted letters; to show possession; and to show plurals of letters, numbers, symbols, abbreviations and words used as words.
![Bellevue Community College: Apostrophes [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Bellevue Community College: Apostrophes [Pdf] Handout")
Other
Bellevue Community College: Apostrophes [Pdf]
Resource explains the three uses of the apostrophe and provides examples. Requires Adobe Reader. [PDF]
University of Ottawa (Canada)
U of Ottawa Hyper Grammar: Punctuation
Writing center tutorial for how to correctly use various types of punctuation, including the apostrophe in contractions, possessives, and pronouns.
Other
Tidewater Community College: Writing Center: Apostrophes
Discusses the two main functions of apostrophes: contractions and forming possessives.
English Plus+
Apostrophes With Possessives of More Than One Owner
When to use the apostrophe when more than one person shares the same item, and when similar items are owned individually by different owners. Examples are provided.