The Internet is an important resource for K-12 citizenship education teachers. Curriculum guides, lesson plans, government documents, conference proceedings, databases, photographs, and multimedia files provide the classroom teacher with a variety of materials including many primary sources. An annotated list of 15 World Wide Web sites are identified for citizenship educators. The descriptive list features C-SPAN Online; THOMAS: Legislative Information on the Internet; AskERIC; Center for Civic Education; Civic Practices Network; Civnet; Close Up Foundation; Constitution Society; Constitutional Rights Foundation; DemocracyNet; Elections Around the World; Parliaments Around the World; Electronic Model Congress; Government Information Exchange; and International Constitutional Law. (JH)