| Lecky, William Edward Hartpole |
 | Democracy and Liberty By William Edward Hartpole Lecky Introduction by William Murchison
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| Lee, Richard Henry |
 | Empire and Nation Edited by Forrest McDonald
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| Leggett, William |
 | Democratick Editorials By William Leggett Edited and with a Foreword by Lawrence H. White
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| Leoni, Bruno |
 | Freedom and the Law By Bruno Leoni Foreword by Arthur Kemp
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| Lerner, Ralph |
 | Founders' Constitution, The Edited by Philip B. Kurland and Ralph Lerner
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 | Founders' Constitution, The Edited by Philip B. Kurland and Ralph Lerner
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 | Founders' Constitution, The Edited by Philip B. Kurland and Ralph Lerner
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 | Founders' Constitution, The Edited by Philip B. Kurland and Ralph Lerner
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 | Founders' Constitution, The Edited by Philip B. Kurland and Ralph Lerner
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 | Founders' Constitution, The Edited by Philip B. Kurland and Ralph Lerner
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| Letwin, Shirley Robin |
 | Pursuit of Certainty, The By Shirley Robin Letwin
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| Leube, Kurt |
 | Hayek's Legacy: Volume 5 (DVD) By Kurt Leube
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| Liggio, Leonard |
 | Leonard Liggio (DVD) Leonard Liggio
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| Lutz, Donald S., |
 | American Political Writing During the Founding Era: 1760–1805 Edited by Charles S. Hyneman and Donald S. Lutz
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 | Colonial Origins of the American Constitution Edited and with an Introductory Essay by Donald S. Lutz
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