University of Victoria (Canada)
The U Vic Writer's Guide: Grammar: Pronouns
Defines pronouns and briefly touches on the two most common problem areas: gender specificity and agreement.
Khan Academy
Khan Academy: Pronoun Number
Is the pronoun in this sentence singular or plural? Use context to choose the pronoun that makes the most sense.
Online Writing Lab at Purdue University
Purdue University Owl: Using Pronouns Clearly
Grammar helper lesson that defines pronouns and explains their use. Includes sections: Agree in Number, Agree in Person, and Refer Clearly to a Specific Noun.