Janet

Joint academic network

Jstor

Journal storage

Kvk

Karlsruhe virtual Katalog

La

Library association

Lan

Local area network

Lase

Limited area search engine

Lc

Library of Congress

Lcsh

Library of Congress subject headings

Lfa

Laboratoire de français ancien

Link

Libraries of networked knowledge

Lis

Library and information science

Liuc

Libero istituto universitario Cattaneo

Liz

Letteratura italiana Zanichelli

Loc

Library of Congress

Locis

Library of Congress information system

Lse

London school of economics

Lsu

Louisiana state university