Research

Research

Start Your Research

Start your research by watching the accompanying video and learning how to use the Collection Search to find your favorite documents, letters, maps, and more.

We've compiled some selected searches organized by era in our curated reference guides below. 

We have more than 87,000 records online, with more than 70,000 images immediately available to subscribers.

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Flags of the member nations of the United Nations wave amidst smoke of a bombardment, with military airplanes, ships and tanks in background.

Reference Guides

Colonization & Settlement, 1493–1763

Colonization & Settlement, 1493–1763

Beginning with a 1493 Latin printing of Columbus’s letter to King Ferdinand and Queen Isabella, the Collection contains more than 4,000 colonial-era documents that chronicle the establishment of European settlements in the New World, relations with American Indians, the French and Indian War, Quaker settlements, and commerce in the colonies. The materials in the Collection focus on the English and Dutch colonies, with some materials relating to the Spanish and French territories. Official documents include treaties between European powers and American Indians, Acts of Parliament, and decrees of the colonial governments. The colonists’ letters describe the hardships of daily life, relations with American Indians, the establishment of communities, and economic activity.

Selected searches in the Collection’s catalog

American Revolution, 1763–1783

American Revolution, 1763–1783

The Gilder Lehrman Collection contains materials written by more than 2,000 individuals who fought in and lived through the American Revolution. These firsthand accounts were written by leaders, soldiers, and civilians and include the perspectives of American Indians, African Americans, and women. The documents discuss not only the military and political aspects of the war, but also the private opinions of contemporary people. The experiences of soldiers, loyalists, and prisoners of war are recorded in numerous letters, diaries, orderly books, and other manuscripts.

Selected searches in the Collection’s catalog

The New Nation, 1784–1800

The New Nation, 1784–1800

These materials address the creation of the US Constitution from the failure of the Articles of Confederation through the controversial election of 1800 in both official records and personal correspondence. Documents also illustrate the turbulence of this era as the United States struggled to create a national identity.

Selected searches in the Collection’s catalog

Expansion & Reform, 1800–1860

Expansion & Reform, 1800–1860

The conflict over slavery, the growth of federal power, and the territorial expansion of the United States figure prominently in the Collection. Thousands of letters, documents, broadsides, and pamphlets focus on slavery and abolition. Other materials in this period cover a wide range of topics including the Bank of the United States, removal of American Indians from tribal lands, the Nullification Crisis, Jacksonian politics, settlement of the Mormons in Utah, the Mexican-American War, and Texas.

Selected searches in the Collection’s catalog

The Civil War, 1861–1865

The Civil War, 1861–1865

Letters and documents recount the secession crisis and the American Civil War through general orders, orderly books, recruitment broadsides, maps, photographs, newspapers, and the journals, official dispatches, and personal letters of military commanders, politicians, soldiers, and civilians. This archive includes letters and diaries written by statesmen, soldiers, and civilians that provide unique perspectives on virtually every aspect of the Civil War, including battles, life on the home front, Lee’s surrender, Lincoln’s assassination, and prisoner-of-war experiences. Thousands of soldiers’ letters and diaries, most of them unpublished, capture the experience of the common soldier and his family in great detail.

Selected searches in the Collection’s catalog

Post-Civil War America, 1865–1900

Post–Civil War America, 1865–1900

A variety of materials demonstrates the rise and fall of civil rights for African Americans during the latter half of the nineteenth century, including constitutional amendments, sharecropper contracts, and discussions of segregation and voting rights. Other items from this time period document relations with American Indians and the Spanish-American War.

Selected searches in the Collection’s catalog

Twentieth Century

Twentieth Century

A select group of materials highlights the major events of the twentieth century, including World War I, World War II, women’s suffrage, the Civil Rights Movement, and the Cold War.

Selected searches in the Collection’s catalog