- Leschner, L L
- Lescohier, Don D. (Don Divance), 1883-1961
- Lescot, M
- Lescot, Michèle
- Lescot, Michèle botaniste 1902-1998
- LescrauwaetAnne-Catherine
- Lescroart, Jonas
- Lescure, Jean
- Lescuyer, François, 1820-1887
- Lesdain, Bouly De
- Leseur, Francis.
- Lesgaft, P. (Petr), 1837-1909
- Lesher, Robin.
- Lesher, S W
- Lesh-Laurie, Georgia E
- Lesica, Peter
- Lesica, Peter.
- Lesicki, Andrzej
- Lesieur, Vincent
- Lesigne, Jean-François
- Lesinski, G
- Lesiński, Grzegorz
- Leske, Nathanael Gottfried, 1751-1786
- Leskinen, Paul H
- Leskó, György László
- Lesley, J. P. (J. Peter), 1819-1903
- Lesley, Joseph
- Lesley, Margaret Campbell Mann, 1891-1988
- Leslie B. Rhoades & Son,
- Leslie E. Doolittle (Firm)
- Leslie F. Young (Firm)
- Leslie M. Broughton Company,
- Leslie Woodriff (Firm)
- Leslie, A J
- Leslie, A. S.
- Leslie, Alexander
- Leslie, C J
- Leslie, D. M.
- Leslie, David H.
- Leslie, David M
- Leslie, George
- Leslie, George Dunlop, 1835-1921
- Leslie, John K.
- Leslie, John W.
- Leslie, John, Sir, 1766-1832
- Leslie, Laura L.
- Leslie, Laura L..
- Leslie, Rob
- Leslie, Sherri
- Leslie, Virginia A.
- Leslie, William.
- Leslie'S Wild Flower Nursery,
- Lesllie E. Doolittle (Firm)
- Lesmeister, Damon B
- Lesmes, Liliana
- Lesné, Edmond, 1871-
- Lesne, P
- Lesne, Pierre
- Lesne, Pierre
- Lesne, Pierre.
- Lesniewska, Malgorzat
- Lesniewska, Malgorzata
- Lesnik, John R.
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- Lespinasse, M Gustave
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- Lesquereux, Léo, 1806-1889
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- Lessa, Enrique P
- Lessa, Gisele
- Lessa, Gisele
- Lessa, GM
- Lessa, ICM
- Lessa, Josimar Ferreira
- Lessa, Leonardo G
- Lessa, Leonardo G.
- Lessa, Leonardo Guimarães
- Lessa, Rosangela P.
- Lessa, Rosangela Paula
- Lessa, Rosângela Paula
- Lessard, Bryan D.
- Lessard, D
- Lessard, E D
- Lessard, G.
- Lessard, Gene D.
- Lessard, Gene.
- Lesse, H De
- Lessel, Tanja
- Lesseps, Ferdinand de, 1805-1894
- Lesser, Friedrich Christian, 1692-1754
- Lesser, M P
- Lesser, W
- Lessert, Roger de, 1878-1945
- Lessertisseur, J
- Lesshafft, Jack S., Jr.
- Lessi, Edson
- Lessing, Christian Friedrich, 1809-1862
- Lessing, G
- Lessing, Gotthold Ephraim, 1729-1781
- Lessios, Harilaos A.
- Lessler, M A
- Lesson, Pierre-Adolphe, 1805-1888
- Lesson, R. P. (René Primevère), 1794-1849
- Lessona, Carlo, 1784-1858
- Lessona, Mario.
- Lessona, Michele, 1823-1894
- Lestage
- Lestage, J A
- Lestage, J-A
- Lestani, Eduardo A.
- Lestari, Endang Sri
- Lester And Tillotson Rose Gardens,
- Lester B. Linsley (Firm)
- Lester Blanchard (Firm)
- Lester E. Francis (Firm)
- Lester Rose Gardens.
- Lester Rowntree & Co.
- Lester Rowntree & Company.
- Lester, B
- Lester, Barbara
- Lester, D G
- Lester, D T
- Lester, Donald T.
- Lester, Frances E.
- Lester, Francis E.
- Lester, G
- Lester, G T
- Lester, Gary S
- Lester, George R.
- Lester, James E
- Lester, Karen
- Lester, L N
- Lester, Lj
- Lester, Margarey J
- Lester, Nita
- Lester, Phil
- Lester, R J G
- Lester, Richard N
- Lester, Robert J G
- Lester, Vance
- Lester-Garland, Lester Vallis, 1860-1944
- Lesterhuis, A. J.
- Lestiboudois, François Joseph, 1815
- Lestiboudois, Jean Baptiste
- Lestiboudois, Jean-Baptiste, 1715-1804
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- Lestiboudois, M T
- Lestiboudois, M Them
- Lestiboudois, Thémistocle-Gaspard
- Leston, D
- Leston, Dennis
- L'Estrange, Roger, Sir, 1616-1704
- L'estrange, W W
- Lesueur, Charles Alexandre, 1778-1846
- Lesure, J. G.
- Leszczyc-Suminski, Michael Hieronim, 1820-1898
- Letacq, Arthur Louis, 1855-1923
- Letardi, Agostino
- Letcher, Beverly
- Letcher, Owen.
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- Letcher, Peter M
- Letcher, Peter M
- Letelier E., Miguel.
- Letelier P., Jaime
- Letelier V., Sergio
- Letelier, J.
- Letelier, Jaime
- Letelier, Luis
- Letelier, Ricardo
- Letelier, Sergio
- Letelier, Valentin
- Letellier, A.
- Letellier, Augustin,
- Letellier, J. B. L.
- Letellier, Jean-Baptiste,
- Letellier, M
- Letellier, M A
- Letellier.
- Letenton, F M
- Letertre, Alexandre
- Letey, J
- Lethbridge, P J
- Lethbridge, Roger
- Letherman Seed & Supply Co.
- Letherman Seed House.
- Letherman-Linerode Seed Co.
- Letherman's Inc.
- Lethierry, L F
- Lethierry, Lucien François, 1830-1894
- Letkeman, R.
- Letnik, M
- Letourneau, Ch. (Charles), 1831-1902
- Letourneau, Deborah K
- Létourneau, Firmin, 1891-1984
- Letourneux, A
- Letourneux, A. (Aristide), 1820-1891
- Letourneux, Jean
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- Letourneux, M Tacite
- Letouzey, R
- Letouzey, René
- Letouzey, René-Gustave 1918-1989
- Letsara, Rokiman
- Letsch, Johann Theophile, active 1678-1696
- Letson, Elizabeth Jane, 1874-1919
- Lett, H W
- Lett, Henry William, 1836-1920
- Lett, Irene
- Lett, Norman H. H.
- Lett, William Pittman 1819-1892
- Letteer, C. R. (Clarence Ralph), 1889-
- Letterman, George W. (George Washington), 1840-1913
- Lettieri, Raffaella
- Letts, J. M. (John M.)
- Lettsom, John Coakley, 1744-1815
- Letzner, Hauptlehrer K
- Letzner, K
- Letzner, Karl Wilhelm, 1812-1889
- Leu, Andre
- Leu, Matthias.
- Leu, Michael R
- Leu, Stephan T
- Leuba, John.
- Leubert, Dianne
- Leucadia Avocado Nursery.
- Leuchars, Robert B.
- Leuchtenberger, C.
- Leuchtenberger, Cecilie
- Leuchtenberg'S Glad Gardens,
- Leuchtmann, A
- Leuck, B E
- Leuckart, F. S. (Friedrich Sigismund), 1794-1843
- Leuckart, Rudolf, 1823-1898
- Leuduger-Fortmorel, Georges, 1803-1902
- Leuduger-Fortmorel, M
- Leuenberger, Beat Ernst
- Leuenberger, Beat Ernst
- Leuenberger, T
- Leufstedt, Joh. Jac,
- Leung, A E
- Leung, Brian