Best of History Websites--an award-winning portal that contains annotated links to over 1000 history web sites as well as links to hundreds of quality K-12 history lesson plans, history teacher guides, history activities, history games, history quizzes, and more.
Digital History--Online textbook, primary sources, multimedia resources, and more, for American history.
History Matters--An annotated guide to the most useful history websites, organized by topic and time period.
History News Network--news, hot topics, features and blogs.
H-Net--Humanities and Social Sciences Online: "an international interdisciplinary organization of scholars and teachers dedicated to developing the enormous educational potential of the Internet and the World Wide Web. Our edited lists and web sites publish peer reviewed essays, multimedia materials, and discussion for colleagues and the interested public."
How to avoid plagiarism--vital rules to follow for any source-based paper