Teachers: You may access PD webinars on Library of Congress Primary Sources Here
Article by Library of Congress with links to their resources for Primary Sources
National Archives "The National Archives and Records Administration stores and provides public access to the original documents that set up the American government as a democracy in 1774. Visit the National Archives in Washington, DC and you will have the opportunity to view the United States Government's Charters of Freedom, the U. S. Constitution, the Bill of Rights, and the Declaration of Independence. The records of the nation's civil, military and diplomatic activities are also held by the National Archives for present and future generations." (http://dc.about.com/cs/museums/a/NationalArchive.htm)
The National Humanities Center presents America in Class®:
America in Class® is designed to promote the analytical skills called for in the Common Core State Standards for English language arts and literacy in history and social studies
American History Docs that Teach: Curated Documents from the National Archives aligned with National History Standards
Media History Digital Library (Online Access to the Histories of Cinema, Broadcasting & Sound)
Google News Archive Searches hundreds of newspapers in multiple languages over the last 100 years
History Matters: contains primary documents in text, image, and audio about the experiences of ordinary Americans throughout U.S. history
New York Public Library More than 180,000 items/images in the public domain and free to use. Info on how to use the site is here.
Old Pictures--photographs from the 1850's - 1940's
Life Magazine 1750-today (Many more photos than were published in the magazine) America and Global
The Avalon Project: Documents in History, Law, and Diplomacy (Documents start from 4000 BCE) Includes GLobal/World History
The Diana Project Human Rights Cases--part of The Avalon Project
Spartacus Educational includes Global/World History Primary Sources and Encyclopedic Information
Fordham University Global/World History Primary Documents organized by periods of World History
BCPS Databases: Search results often yield primary sources ( U.S. and Global)
How to Use Google News to Find Primary Sources