LearningExpressLibrary - http://www.nclive.org/

Lecture notes in computer science [full-text] - http://www.springer.com/

Lecture notes in mathematics [full-text] - http://www.springer.com/

Left index - http://www.nisc.com/

LexisNexis Academic - http://www.lexisnexis.com/

LexisNexis Congressional - http://www.lexisnexis.com/

LexisNexis corporate affiliations. - http://www.corporateaffiliations.com/

LexisNexis environmental - http://www.lexisnexis.com/

LexisNexis Government periodicals index - http://www.lexisnexis.com/

LexisNexis State capital - http://www.lexisnexis.com/ 

LexisNexis Statistical - http://www.lexisnexis.com/

Library of Congress Country Studies - http://lcweb2.loc.gov/frd/cs/cshome.html

Library PressDisplay - http://www.pressdisplay.com/pressdisplay/viewer.aspx

LINC - http://www.linc.org/

Linguistics & language behavior abstracts - http://www.csa2.com/

LIPIDAT - http://www.lipidat.chemistry.ohio-state.edu/home.htm

LISA - http://www.csa2.com/

Literature in context - http://www.nclive.com/

Location register of 20th-century English literary
manuscripts and letters - http://www.locationregister.com/