Enormous collection of documents, media, etc. about the U.S. Presidency. From the University of California -- Santa Barbara.

Created by the Miller Center of Public Affairs at the University of Virginia, this is a non-partisan resource on the U.S. presidency, with essays on each administration.

Revised edition (2010) contains about 700 alphabetically-arranged signed entries, most contributed by members of the American Political Science Association's Presidency Research Group. Includes several entries contributed by Robert Strong, W&L Professor of Politics.

Includes statistical coverage of public approval of the president, elections, vetoes, executive orders, foreign affairs, the executive branch, congressional and judicial relations, public appearances, and much more" on the office of the president from George Washington to George W. Bush.

Authoritative coverage of the events, trends, and controversies in the U.S. Congress and Presidency from Truman through Obama.

Five-colume set (2010) was prepared with the assistance of the American Political Science Association. It contains about 1,500 alphabetically-arranged, signed entries (including one contributed by Washington and Lee Professor Mark Rush) on "political theories, concepts, research frameworks, and political practices from across the world."

Chronologically-arranged seven-volume set (2010) on "the events, policies, activities, institutions, groups, people, and movements that have created and shaped political life in the United States." Note: The above link takes you only to Volume 1 (1500-1783). Links to additional volumes:
Volume 2 (1784-1840) * Volume 3 (1841-1877) * Volume 4 (1878-1920) * Volume 5 (1921-1945) * Volume 6 (1946-1975) * Volume 7 (1976-2009)

Annually-published collections of texts and commentary on over 3,000 documents, ranging from "presidential speeches, international agreements, and Supreme Court decisions to U.S. governmental reports, scientific findings, and cultural discussions." Coverage begins with 1972.

Provides current information on more than 5,000 legal topics. Includes completely revised articles covering important issues, biographies, definitions of legal terms and more. Covers such high-profile topics as the Americans with Disabilities Act, capital punishment, domestic violence, gay and lesbian rights, and physician-assisted suicide.

Two-volume encyclopedia (2009) contains nearly 190 entries, written by over 130 historians and other scholars, covering "both the traditional topics of political history -- such as eras, institutions, political parties, presidents, and founding documents -- and the wider subjects of current scholarship... " [ preview ]

This reference work defines the 27 amendments in comprehensive chapters with detailed narratives on the process behind each amendment. Each chapter includes a valuable collection of supportive material, such as biographies of individuals significant to the amendment's passage, reprints of actual political debates, newspaper articles, government reports, and Supreme Court cases.

The Constitution of the United States of America: Analysis and Interpretation ("Constitution Annotated" or "CONAN") provides a legal analysis and interpretation of the United States Constitution based on a comprehensive review of Supreme Court case law and, where relevant, historical practices that have defined the text of the Constitution. This regularly updated resource is written in "plain English" and useful for a wide audience: from constitutional scholars to those just beginning to learn about the nation's most important legal document.

This is the third edition (2003) of the most comprehensive encyclopedia on American history, comprising ten volumes in printed form. The 4,400 signed articles range in length up to 7,000 words. [ preview ]

Provides current information on more than 5,000 legal topics. Includes completely revised articles covering important issues, biographies, definitions of legal terms and more. Covers such high-profile topics as the Americans with Disabilities Act, capital punishment, domestic violence, gay and lesbian rights, and physician-assisted suicide.