Links to free websites that provide quick answers using sources such as those found in a library reference collection.

Over 100 reference sources in a single cross-searchable interface plus key titles from the acclaimed Oxford Companion series.

Retrieves literature that Google has defined as "scholarly" including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from broad areas of research

Indexes high-impact science, social science, engineering, art & humanities research journals. 1900 - present.

A collection of scholarly journals in many fields. Includes deep historical coverage but current years are excluded. Requires MIT identification on and off campus.