HOLLIS is Harvard Library's catalog. Search HOLLIS for books, articles, media and more.

What is HOLLIS?

HOLLIS is the Harvard Library catalog.

It searches most library resources in a single unified search, including books, articles, media and more.

HOLLIS also manages your library loans. You can log in to renew items, check due dates and more.

Get the most out of HOLLIS

Introduction to HOLLIS Workshops 

We host intro to HOLLIS workshops once a month. Bring your questions and come to learn how to make most of the catalog.

Browse workshops

HOLLIS User Guide 

Our online guide includes tips for getting started and general documentation for how HOLLIS works.