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- Dubois, Raphaël, 1849-1929
- Dubois, Raymond.
- Dubois, Stephen D.
- Dubois, Wilbur Latimer.
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- Dubosky, Dave
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- Dubovikoff, Dmitry
- Duboy-Laverne, P. D.
- Dubrasich, Michael E.
- Dubravius, Jan, ca. 1486-1553
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- Dubroca, Elisabeth
- Dubrony, A
- Dubrovin, E. I.
- Dubrovskaia, V. V.
- Dubrueil, E.
- Dubruiel, Amy
- Dubrule, Monique L
- Dubuisson, Hubert-Dominique-Joseph, 1735-
- Dubuisson, J. B. Rémi-Jacquelin, 1777-
- Dubuisson, Jean-Yves
- Dubuque Nursery.
- Dubut, Vincent
- Dubuy, Herman
- Duby, J. É. (Jean Étienne), 1798-1885
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- Duca, A-V
- Duca, Charles
- Ducane-Godman, Frederick.
- Ducarel, Andrew Coltee 1713-1785
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- Ducati, Jorge Ricardo
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- Ducey, Mark J.
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- Duchassaing de Fonbressin, Placide, 1819-1873
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- Duché, Thomas Spence, 1763-1790
- Duchêne, A.
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- Duchoslav, Martin
- Ducie, Lord
- Duck Lake Agricultural Society.
- Duck, Robert
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- Dücker, Gerti
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- Duckworth, George,
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- Duckworth, William
- Duckworth, William, 1964-
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- Duclos, Melanie
- Duclos, P. L.
- Ducoff, H S
- Ducoing, Arcadio
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- Ducommun, Alain
- Ducommun, Jules César, 1829-1892
- Ducommun, Marc-André
- Ducos, Roger, 1747-1816
- Ducreux, G
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- Ducros de St.-Germain, A. M. P.
- Ducros, Patrick
- Ducrot, R.
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- Dudek, Olivia
- D'Udekem D'Acoz, Cedric
- D'Udekem, J.
- D'udekem, M Jules
- Dudel, Gert
- Dudgeon, David
- Dudgeon, E. C.
- Dudgeon, Gerald C.
- Dudgeon, Steve
- Dudgeon, Winfield
- Dudić, Boris
- Dudin, P I
- Dudleston, Ruth.
- Dudley and Ward of Dudley, William Ward, Viscount, 1750-1823
- Dudley Expedition of the Anglo-American Oil Company (1920-1921)
- Dudley Observatory.
- Dudley, Albert W.
- Dudley, Bettye W
- Dudley, Beverly.
- Dudley, Chas B
- Dudley, Elizabeth Corning
- Dudley, J L
- Dudley, J. E. (John Edward), 1886-
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- Dudley, P H
- Dudley, Patricia L. (Patricia Louise), 1929-2004
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- Dudley, T. R. (Theodore R.), 1936-
- Dudley, Thos H
- Dudley, William Russel, 1849-1911
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- Dudman, Barry J
- Dudok van Heel, W. H. (Willem Hendrik), 1927-
- Dudzik, Kimberly J
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- Dueholm, Keith H.
- Duek, J J
- Duelli, Peter
- Duellman, William E. (William Edward), 1930-
- Duemmler, Ferdinand.
- Dueñas Ramírez, Pedro
- Dueñas, Luisa
- Dueñas, Luisa F.
- Dueñas, Margarita
- Duengkae, Prateep
- Duerden, James Edwin, 1869-1937
- Duerr, Frederick G
- Duerr, Ralph J.
- Duerr, Richard
- Duerr, William A. (William Allen), 1911-
- Duerring, Christine L.
- Duerst, J. Ulrich
- Duerst, Johann Ulrich.
- Dueser, Raymond D
- Duesund, Henrik
- Dufart, François, 1748-1813
- Dufay, C
- Dufay, Claude 19-
- Dufech, Ana Paula S.
- Dufek, Matias I.
- Duff, A G
- Duff, A. H.
- Duff, D A
- Duff, Donald A.
- Duff, G H
- Duff, Grace S.
- Duff, James S.
- Duff, John
- Duff, K L
- Duff, M M
- Duff, Mountstuart Elphinstone Grant,
- Duff, R. Joel
- Duff, Robert
- Duff, Robert William.
- Duff, Walter.
- Duffe, Jason
- Duffels, J. P.
- Dufferin and Ava, Frederick Temple Blackwood, Marquis of, 1826-1902
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- Duffey, J. C.
- Duffield, Alexander James
- Duffield, Divie Bethune, 1821-1891
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- Duffield, Richard M.
- Duffield, Thomas
- Duffield, W. W. (William Ward), 1823-1907
- Duffin, Christpher J.
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- Dufft, M.
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- Duffus, W P H
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- Duffy, D C
- Duffy, E A J
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- Duffy, J. Regis
- Duffy, John, Jr.
- Duffy, Katharine
- Duffy, Lorraine
- Duffy, M. S.
- Duffy, N A
- Duffy, Rodney
- Dufilho, Alexis
- Duflot de Mofras, Eugène, 1810-1884
- Dufort, Christopher G
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- Dufour, Édouard
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- Dufour, Jean-Edme.
- Dufour, Léon, 1780-1865
- Dufour, Léon, 1861-1942
- Dufour, Suzanne C
- Dufour, Sylvie
- Dufour-Dror, Jean-Marc
- Dufrenoy, Jean
- Dufresne, huissier-priseur.
- Dufresne, Helene
- Dufresne, L
- Dufresnes, Christophe
- Dufresnoy, André-Ignace-Joseph
- Duftschmid, Kaspar, 1767-1821