Update:

WINTER WEATHER: Snow is expected Sunday, January 25, 2026, into Monday, January 26, 2026. Some of our library spaces may be closed. Please check Locations & Hours before you visit.

Announcing a new HOLLIS for Archival Discovery

The next generation of HOLLIS for Archival Discovery is now available for research use.

HOLLIS for Archival Discovery, Harvard Library’s primary archival and special collections discovery system, has received a major upgrade. The new platform, powered by ArcLight, features enhanced search, embedded digital content, and an improved look and feel. 

This tool is best used for searching across finding aids (or collection guides) and discovering primary sources at Harvard’s special collections and archives. For more information on using HOLLIS for Archival Discovery, please see the new Help Guide.

We want to know what you think. After you've used HOLLIS for Archival Discovery, please consider submitting your reactions and feedback via our survey tool.