Sources and credits

Every source on Crambox is in the public domain or quoted from an official College Board publication, and every one is listed here with where it came from.

Images

• John Gast, American Progress, 1872. Autry Museum of the American West, via Wikimedia Commons. File page (public domain).
• Abraham Cresques (attributed), Catalan Atlas, sheet 6, 1375. Bibliothèque nationale de France, via Wikimedia Commons. File page (public domain).
• The Constitution of the United States, page 1, 1787. U.S. National Archives, via Wikimedia Commons. File page (public domain).
• Eugène Delacroix, Liberty Leading the People, 1830. Musée du Louvre, via Wikimedia Commons. File page (public domain).

Texts

• James Madison, Federalist No. 10, 1787. Text from the Library of Congress, checked against the Avalon Project.
• Brutus No. 1, 1787, quoted from Teaching American History.

Course and exam facts

Units, weights and exam formats come from College Board's AP Central course and exam pages. Scoring rules come from College Board's published scoring guidelines. AP® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this website.

Fonts and icons

Gabarito, Kalam and Atkinson Hyperlegible Next and Mono, under the SIL Open Font License. Icons are drawn for Crambox.