Lapidary Journal 1978-2000

Lead 1985-1987

Leidse Geologischen Mededemingen 1925-1985

Lethaia 1968-1987

Letzebuerger Entomolgech Zeitschrift 1983-1989

Library Journal 1966-1993

Library Congress Cataloging Service Bulletin 1981-1988

Library of Congress Information Bulletin 1972-1987

İl Libro Svizzero=Das Scwitzer Buch Serie A,B.

Libya’nın Genel Ekonomik Durumu ve Türkiye İle Ticari İlişkileri 1987

List of Translations Notified to ETC=World Index of Scientific Translations 1967-1971

Liste Mensuelle D’Articles Selectionnos=Monthly Bibliography Selected Articles 1945-1968

Lithology and Mineral Resources 1972-2000

Lithologiya I Poleznye Iskopaemye=Lithology and Mineral Resources 1972-2000

Liverpool and Manchester Geological Journal=Geological Journal 1952-1980

Le Livre Suısse=Das Schweitzer Buch.Serie A,B

Lyon Universite des Sciences Laboratoıre de Geologie,Documenta 1966-1997