Types of primary material used for historical reconstruction.
Drawing on the official Schedule No. I—Population and the 1902 Census Reports, this article reconstructs how the Twelfth Census of the United States was conducted on June 1, 1900, what enumerators recorded, and what those records reveal about American households at the dawn of the twentieth century.
Oral histories are both the oldest and the newest method of preserving the past. This article explains how to read them critically—from the Library of Congress observation-and-reflection method to the U.S. Army’s field guide—and exposes the pitfalls of treating testimony as transparent truth.
From ancient sketches to modern surveys, maps have served as both records and interpretations of the world. This article explores how historians use maps as primary sources, revealing the choices, biases, and knowledge embedded in every line and label.
Drawing on contemporary accounts, this article recounts how the 1930s transformed radio from a novelty into the first true broadcast news medium, igniting a bitter press-radio war that reshaped American journalism.
In 1886, industrialist Charles Booth set out to disprove claims that a quarter of Londoners lived in poverty. His seventeen-year inquiry revealed the truth was far worse—one third of the capital’s population lived in want. This article draws on Booth’s own notebooks, the famous poverty maps, and contemporary accounts to show how Victorian London’s inequality was measured, mapped, and understood.
In July 1963, the U.S. Census Bureau released the 84th edition of the Statistical Abstract of the United States—a $3.75 cloth-bound volume that captured the nation’s social, economic, and political life. This article examines the Abstract as a primary source, revealing what Americans knew about themselves at the height of the Cold War.
A practical guide to interpreting photographs taken by the Nazi regime, exploring how they were deliberately constructed to deceive contemporaries and how historians now read them as evidence of the Holocaust.
In 1963, Americans heard of President Kennedy’s assassination through a mix of radio, television, and newspapers—many for the first time witnessing a national tragedy unfold in real time. This article draws on contemporary reports, eyewitness accounts, and period media to reconstruct how the world learned the news.
Diaries and letters are among the most intimate historical documents, offering unfiltered windows into past lives. But they are not neutral. This article explains how historians read diaries critically, weighing context, bias, and selective memory to reconstruct the past.
Drawing on the diary itself, Fidel Castro’s introduction, and contemporary reviews, this article examines how Che Guevara’s Bolivian Diary was created, published, and interpreted — and how the primary sources reveal the hopes, fears, and errors of a guerrilla campaign that ended in tragedy.