| L'Amour, Louis ... La Roche, Sophie von |
| La Roche-sur-Yon ... Lacaille, Nicolas Louis de |
| Lacaita, Sir James ... Laetare Sunday |
| Laetoli ... Lake Dwellings |
| Lake Erie, Battle of ... Lambeth Palace |
| Lambeth Quadrilateral ... Lanchester, Frederick William |
| Lanciani, Rodolfo Amadeo ... Langeland |
| Langen, Eugen ... lapidary style |
| lapies ... Las Cruces |
| Las Hurdes ... Latium |
| Latreille, Pierre-Andre ... Lautoka |
| Lautreamont, comte de ... laying house |
| Layton, Irving ... leaf-rolling grasshopper |
| leaf-rolling weevil ... lectisternium |
| lector ... Legionnaire disease |
| legislative apportionment ... Lekhitic languages |
| lekythos ... Lenz's law |
| Lenz, Jakob Michael Reinhold ... Leopold II, Lake |
| Leopold III ... Lesser Khingan Range |
| Lesser Slave Lake ... Levitsky, Ivan |
| Levitt, Helen ... Lhote, Andre |
| Lhotse ... Liberator, The |
| Liberec ... Lietzmann, Hans |
| lieutenant ... Lillehammer |
| Lilli burlero ... Lincoln |
| Lincoln ... Linnaeus, Carolus |
| Linnankoski, Johannes ... Liriope |
| Lisa, Manuel ... Little Rock |
| Little Saint Bernard Pass ... Livonian War |
| Livorno ... Locatelli, Pietro |
| location theory ... loganberry |
| Loganiaceae ... London Prize Ring rules |
| London School of Economics and Political Science ... Lons-le-Saunier |
| Lonsdale Belt ... lorica |
| Lorient ... Louis |
| Louis ... Lovat, Simon Fraser, 11th Lord |
| Love ... LSD |
| Lu ... Lucy, Richard de |
| Lucy, Saint ... Luli |
| Lullubi ... Lur |
| lur ... Lwoff, Andre |
| Ly Bon ... Lyotard, Jean-Francois |
| lyre ... |
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