sources

Relates the stories of twenty-two of the most significant scientific discoveries of the twentieth century, from Max Planck's discovery of the quantum in 1900, to Paul Berg's discovery of recombinant DNA in 1972, and includes reprints of the original papers announcing the findings.

Presents twelve essays on the Cold War Communist threat written by Ronald Reagan, Joseph McCarthy, and others on topics such as reprisals against teachers and suppression of free speech, the Hollywood film industry, the Alger Hiss trial, and more.

Contains excerpts from memoirs, diaries, letters, newspapers, speeches, advertisements, and other primary sources that provide eyewitness reports on the Progressive Era in America, from 1890 to 1920, and features introductory essays, chronologies, period illustrations and photographs, and brief biographies of key individuals.

Explores how the Brown v. Board of Education case impacted American culture and government and offers an overview of the history of segregation in America, the origins of Jim Crow laws, and the role of the NAACP, biographical profiles of key figures, and a variety of primary sources related to the case.

Uses newspaper articles to describe the Progressive Era, from 1890 through 1914, and includes the Battle of Wounded Knee, lynch laws in the south, the Titanic, and the women's march for suffrage.

Contains primary documents and commentaries that provide varying perspectives on several key issues related to the administrations of post-Civil War presidents from Rutherford B. Hayes, elected in 1877, to William McKinley, elected in 1897.

Examines twelve significant events in America's westward expansion, including the Mormon settlement, the Sand Creek Massacre, and the Lewis and Clark Expedition, each with a selection of documents, speeches, and other primary materials.

Uses primary source materials, including letters and magazine articles of the time, to examine the exploration and conquest of the American West by explorers and settlers of European descent.

Contains a selection of primary and secondary source articles that provide insight into the origins, conduct, and outcome of the Cuban Missile Crisis of 1962.

Contains edited texts of thirty-one notable Congressional laws on the First Amendment, each with information on the intent and purpose of the law, a summary of its substance, explanation of terms, background, and discussion of the law's impact.