Your school provides a variety of databases ranging from history and politics to science and technology. Resources include scholarly journals, primary sources and they are all free!
Fordham University is another good resource for global history. Similar to how DocsTeach organizes primary sources into periods of American history, this site categorizes documents as well. From the "Reformation" to "Post-World War II Religious Thought," you can find full texts available from Fordham or similar institutions.
The National Archives is a fantastic resource. Their website is easy to navigate and includes lots of resources about researching in general. They feature a daily historical document relating to an event from that day in history. The online catalog can be searched using keywords, and 100 "milestone" documents are identified as significant to American history.
Also run by the National Archives, DocsTeach has documents organized by different periods in American history. If you're searching for "Civil War and Reconstruction" or "Revolution and the New Nation," just click on the topic to find hundreds of primary source documents. DocsTeach provides audio, video, charts, graphs, maps and more.
Spartacus Educational is a great resource for global history. It contains free encyclopedia entries that directly connect to primary source documents, making it a perfect tool to give students a starting point in their research.
Broken down by time period then listed in alphabetical order, the Avalon Project at Yale University also has primary sources for global history. This database starts with ancient and medieval documents and moves into present times. In addition to categories that address specific historical periods, the Avalon Project includes links to human rights documents as part of Project Diana.
Google and Life Magazine have a wonderful search engine that lets users search millions of images from the Life Magazine Photo Archive. Not only can you type in key terms to guide your searches, you can also look through images organized by decade (1860s through 1970s) or significant people, places, events or sports topics.
This website is “a world of primary sources and more.” You’ll find themed collections about the Gold Rush, The Great Depression and more.
The Library of Congress has a wealth of information available to the public online, mostly about American history and culture.
Here you can visit The Smithsonian, the Metropolitan Museum of Art and more, without having to buy a plane ticket. Find everything from original art and design pieces to science, technology, American history and more.