Library Catalog (HOLLIS)
The catalog of the Harvard University libraries.

Harvard Libraries Portal
Gateway to Harvard Libraries electronic resources.

General Science Resources
These resources provide indexing and abstracting of many astronomy related publications. Some interdiscplinary resources are also included here.

Journals
These links provide access to full text articles from relevant scientific literature. These journal subscriptions are maintained by the Library.

Books
A collection of links to books available in their entirety online.

Collections and Catalogs
Online catalogs of Harvard University Libraries and Wolbach Library holdings. Includes slides, and videos collections, and acquisitions lists.

General Resources
General resources including atlases, weather information, and local community information on Harvard University, the Boston area, and the state of Massachusetts.

Astronomy Resources
Links to selected resources in astronomy and related scientific fields.

Dictionaries/Encyclopedias
The most authoritative English language dictionaries are included here. Also included are general and subject specific encyclopedias.

Directories
These directories include staff and membership directories of selected organizations, as well as general directories for finding businesses and individuals.

Astronomical Newsletters
Links to newsletters published by observatories and other astronomical institutions around the world.

Newspapers
Links to individual newspapers and newspaper aggregators.

Table of Contents Email Alerting Service
Sign up to receive email notification of current Tables of Contents from thousands of journals.

Astrophysics Data System (ADS)
Abstract service with links to full text when available.