This database focuses specifically on mathematics.

MathSciNet

Mathematical Reviews online; citations and abstracts to mathematical literature.

These next databases cover all subjects, including mathematics:

ProQuest

Full-text articles, citations and abstracts covering all subjects.

Wilson OmniFile Fulltext

Full-text articles, citations and abstracts covering all subjects.

JSTOR

Historical full-text coverage of arts and sciences journals. Does not contain recent issues of journals (last 3-5 years), only older issues. Includes full text of 16 mathematics journals, several going back to the 1800's; for example: American Journal of Mathematics 1878-1995, American Mathematical Monthly 1894-1997, Annals of Mathematics 1884-1997.

This database provides access to pre-print articles:

E-print Network

Pre-print articles in physics, materials, chemistry, mathematics, biology, environmental sciences and other areas, from a variety of pre-print servers.

These two databases have full text newspaper articles:

LexisNexis Academic

Hundreds of regional, national, and international newspapers; business publications, and much more.

ProQuest Newspapers

Nine national newspapers including the Los Angeles Times and Wall Street Journal.