| Letters on Materials | LETTERS ON MATERIALS | 2218-5046 |
| Lettre de Zuylen et Du Pontet Since 2006: Cahiers Isabelle de Charriere / Belle de Zuylen Papers | | 0920-9468 |
| Lettre de Zuylen et Du Pontet Since 2006: Cahiers Isabelle de Charriere / Belle de Zuylen Papers | | 1872-7832 |
| Lettres Romanes | | 0024-1415 |
| Leukemia | LEUKEMIA | 0887-6924 |
| Leukemia and Lymphoma | LEUKEMIA LYMPHOMA | 1042-8194 |
| Leukemia Research | LEUKEMIA RES | 0145-2126 |
| Leukemia Research Reports | LEUKEMIA RESEARCH REPORTS | 2213-0489 |
| Leukos | LEUKOS | 1550-2724 |
| Leuvense Bijdragen | | 0024-1482 |
| Leuvense Bijdragen: Tijdschrift Voor Germaanse Filologie | | 1783-1598 |
| Levant | | 0075-8914 |
| Levéltári Közlemények | | 0024-1512 |
| Leviathan-A Journal of Melville Studies | LEVIATHAN-A JOURNAL OF MELVILLE STUDIES | 1525-6995 |
| Lex Humana | LEX HUMANA | 2175-0947 |
| Lex Localis-Journal of Local Self-Government | LEX LOCALIS | 1581-5374 |
| Lex Portus | LEX PORTUS | 2524-101X |
| Lexikos | LEXIKOS | 1684-4904 |
| Lexique (lille) | | 0756-7138 |
| Lexis (Peru) | LEXIS (PERU) | 0254-9239 |
| Lexis (Spain) | | 2210-8823 |
| Lexonomica | LEXONOMICA | 1855-7147 |
| LFE-Revista de Lenguas para Fines Especificos | LFE-REVISTA DE LENGUAS PARA FINES ESPECIFICOS | 1133-1127 |
| LGBT Health | LGBT HEALTH | 2325-8292 |
| LIA Language, Interaction and Acquisition | LIA LANGUAGE, INTERACTION AND ACQUISITION | 1879-7865 |
| LIA Today | LIA TODAY | |
| Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban)/Journal of Liaoning Technical University (Natural Science Edition) | LIAONING GONGCHENG JISHU DAXUE XUEBAO (ZIRAN KEXUE BAN)/JOURNAL OF LIAONING TECHNICAL UNIVERSITY (NATURAL SCIENCE EDITION) | 1008-0562 |
| LIAS-Journal of Early Modern Intellectual Culture and its Sources | LIAS-JOURNAL OF EARLY MODERN INTELLECTUAL CULTURE AND ITS SOURCES | 2033-4753 |
| Lias: Sources and Documents Relating To the Early Modern History of Iedeas | | 0304-0003 |
| Libellarium: journal for the research of writing, books, and cultural heritage institutions | LIBELLARIUM: JOURNAL FOR THE RESEARCH OF WRITING, BOOKS, AND CULTURAL HERITAGE INSTITUTIONS | 1846-8527 |
| Libellula | | |
| Liber Annuus | | 0081-8933 |
| LIBER Quarterly | LIBER QUARTERLY | 1435-5205 |
| Liberabit-Revista de Psicologia | LIBERABIT-REVISTA DE PSICOLOGIA | 1729-4827 |
| Libertarian Papers | LIBERTARIAN PAPERS | 1947-6949 |
| Liberte | LIBERTE | 0024-2020 |
| Libraries & the Cultural Record | LIBR CULT REC | 1932-4855 |
| Library & Information History | | 1758-3489 |
| Library and Information Science Research | LIBR INFORM SCI RES | 0740-8188 |
| Library and Information Science | LIBR INFORM SC | 0373-4447 |
| Library Collections, Acquisition and Technical Services | LIBR COLLECT ACQUIS | 1464-9055 |
| Library Hi Tech | LIBR HI TECH | 0737-8831 |
| Library Hi Tech News | LIBRARY HI TECH NEWS | 0741-9058 |
| Library Journal | LIBR J | 0363-0277 |
| Library Leadership and Management | LIBRARY LEADERSHIP AND MANAGEMENT | 1945-8851 |
| Library Management | LIBRARY MANAGEMENT | 0143-5124 |
| Library Philosophy and Practice | LIBRARY PHILOSOPHY AND PRACTICE | 1522-0222 |
| Library Quarterly | LIBR QUART | 0024-2519 |
| Library Resources and Technical Services | LIBR RESOUR TECH SER | 0024-2527 |
| Library Review | LIBRARY REVIEW | 0024-2535 |
