Worlds of Change: Colonial North America at Harvard Library provides access to remarkable and wide-ranging materials digitized as part of a multi-year project to make available to the world more than 700,000 digitized pages of all known archival and manuscript materials in the Harvard Library that relate to 17th- and 18th-century North America. Each item is connected to countless stories—of lives lived quietly and extravagantly, of encounters peaceful and volatile, and of places near and far – providing an opportunity to travel back in time, to rethink familiar stories, and to discover new ones.

European exploration and colonialism in North America took place over several centuries and affected the lives of millions of people across multiple continents. The breadth and scope of these materials reflect this long history and its many dimensions. Over 200 years of colonial era history are represented in this digitized collection, and the diversity in focus, format, and content reflects the complexities of the era in which the materials were created. The items extend well beyond New England to Canada, other areas of North America, and South America; to Atlantic islands and across the Atlantic Ocean to Great Britain, continental Europe, and parts of Africa. Curated features on the website provide a deeper look at several topical areas and suggest ways of approaching the use of different kinds of materials to gain new insights.

There are different collections within this project from: Baker Library, Botany Libraries and Archives of the Gray Herbarium, Collection of Historical Scientific Instruments, Countway Library of Medicine, Dumbarton Oaks, Ernst Mayr Library of the Museum of Comparative Zoology, Harvard Divinity School Library, Harvard Law School Library, Harvard Map Collection, Harvard University Archives, Houghton Library, Loeb Music Library, Monroe C. Gutman Library, Schlesinger Library, and Tozzer Library.