Noun Town Fun - A noun activity created by First grade students. Find nouns by clicking on pictures or words of people, places, or things. - http://www.sd925.w-cook.k12.il.us/WPS/staff/gr1proj/project10/index.html#town
What is a Noun? - Describes all the nouns. Includes examples. - http://www.uottawa.ca/academic/arts/writcent/hypergrammar/nouns.html
Grammar Bytes: The Noun - How to recognize a noun and its function in a sentence. - http://www.chompchomp.com/terms/noun.htm
Paul Vigay's Collection of Collective Nouns - Includes sets of collective nouns for birds, mammals, invertebrates, fish, reptiles, objects and people. - http://www.vigay.com/nouns/