- Tineo, P.
- Tineo, Vincenzo
- Tiner, Ralph W.
- Tinerella, Paul P. (Paul Philip), 1972-
- Ting, A. P. J., S.Y. Wong & J. Jamliah
- Ting, Chew Ping
- Ting, Janice J.
- Ting, Peter C.
- Ting, Su-Yin
- Ting, Tingting
- Ting, Y. C.
- Tinga Nursery
- Tinga, W.
- Tingay, Ruth E
- Tingey, R. J. (Robert John)
- Tingey, W. M.
- Tinghitella, Robin M.
- Tingle Nursery Company.
- Tingle, J. N. (James Nisbet), 1944-
- Tingley, Reid
- Tingley, Stuart I.
- Tingry, P. F. (Pierre François), 1743-1821
- Tini, Massimiliano
- Tiniakov, G. G.
- Tinker, A. D.
- Tinker, Spencer Wilkie
- Tinker, Stephen
- Tinkham, Ernest R.
- Tinkle, Donald W.
- Tinley, J. M. (James Maddison), 1897-1971
- Tinline, M. J.
- Tinline, Rowland R. 1940-
- Tinne, Alexandrina, P. F.
- Tinne, John A.
- Tinney, J.,
- Tinney, Richard T.
- Tinnin, David S.
- Tinnin, Robert.
- Tinoco, Herlandes Penha
- Tinoco, Moacir
- Tinoco, Natália A. B.
- Tinoco, Nicolas
- Tinsley Seed Co.
- Tinsley Seed Company.
- Tinsley, J. D.
- Tinsley, Joseph.
- Tinsley, R. C.
- Tinter, Wilhelm von, 1839-1912
- Tinti, Sirlene V.
- Tintino, Saulo R
- Tintori, Andrea
- Tinulele, Idris
- Tinus, Richard W.
- Tinworth, Bruce
- Tio, Martin
- Tione, María L.
- Tiong, George
- Tiotsop, Francois
- Tioughnioga Valley Seed Gardens.
- Tipan, Luis A
- Tiphaigne de La Roche, Charles-François
- Tiphernas, Angelus,
- Tiplady, B. Ann
- Tiple, Ashish D.
- Tipografia del Seminario di Padova.
- Tipper, C. J. R.
- Tipper, Ronald Charles.
- Tippery, Nicholas P.
- Tippett, Donn L.
- Tippin & Moore.
- Tippin Bros.
- Tippin Brothers.
- Tipping, Christopher
- Tipping, H. Avray (Henry Avray), 1855-1933
- Tippins, H. H. (Hamlin Hannibal)
- Tippit, Richard
- Tippmann Collection (North Carolina State University).
- Tippmann, Friedrich F.
- Tipton & Stanton.
- Tipton Nursery.
- Tipton, Thomas C.,
- Tipton, Vernon J.
- Tipton, W. K.
- Tip-Top Gardens.
- Tiraboschi, Carlo
- Tirado, Carlos
- Tirado, Cristina
- Tiranti Paz, Sergio I.
- Tiravanti Chocos, Jorge A
- Tirel, Christiane, 1939-
- Tirelli, Flávia P.
- Tirello, Paola
- Tireon, W
- Tirilly, Y
- Tirira, Diego G.
- Tiritan, Bianca M. S.
- Tironi, Antonio
- Tirrell, Jane
- Tirvengadum, D. D.
- Tirvengadum, Deva Duttun
- Tisai, Jepom
- Tisch, Edward L
- Tischbein, Peter Friedrich Ludwig
- Tischer, Irene
- Tischler, F.
- Tischler, Georg Friedrich Leopold, 1878-
- Tischler, Max K
- Tischler, Monika
- Tischler, Otto 1843-1891
- Tisdale, E. W.
- Tisdale, Lionel Earl
- Tisdale, W. H. (Wendell Holmes), 1892-
- Tisdall, Henry Thomas, 1836-1905
- Tiselius, Peter
- Tishechkin, Alexey
- Tishechkin, Alexey K
- Tishechkin, Dmitri
- Tisljar, Josip
- Tiso, Eugenio
- Tison, A.
- Tison, E. H.
- Tison, Édouard, 1842-
- Tissandier, Gaston, 1843-1899
- Tisselli, Morena
- Tisserand, E
- Tisserant, Charles
- Tissiani, Ana Silvia
- Tissière, P. G. (Pierre Germain), 1828-1868
- Tissot, Ana Cristina
- Tissot, J
- Tissot, R.
- Tissot, Victor, 1845-1917
- Tiszler, John
- Tita, Antonio
- Titarenko, Andrey Y.
- Titchener, Edward Bradford, 1867-1927
- Titcomb, John W. (John Wheelock), 1860-1932
- Titcomb, Mary.
- Tite, Gerald Edward
- Titford, William Jowit, 1784-1823
- Titgen, Richard H
- Titherington, Robert J
- Titius, Johann Daniel, 1729-1796
- Titius, Salomo Constantin, 1766-1801
- Title, Pascal O
- Titley-O'Neal, Cassander
- Titman, Rodger D
- Titmuss, David
- Tito, Caroline
- Titov, Sergey V
- Tittensor, Derek
- Tittle, Deb
- Tittler, I. A.
- Tittley, Ian
- Tittmann, Hermann, 1863-
- Tittmann, O. H. (Otto Hilgard), 1850-1938
- Titus Nursery (Nemaha, Neb.)
- Titus Nursery Company.
- Titus, Benjamin
- Titus, Brian
- Titus, E. S. G. (Edward Sharpe Gaige), 1873-
- Titus, Edward Kirk.
- Titus, Eric
- Titus, James G.
- Titus, John E
- Titus, Jonathan H
- Titus, Kimberly
- Titus, Priscilla J
- Titus, Stephen A.
- Titus, Tom A.
- Tiu, Antonieto Tan
- Tiu, Laura G.
- Tiu, Sam
- Tiunov, A.V.
- Tiunov, Alexei
- Tiunov, Alexei V.
- Tiutenko, Arthur
- Tivano, Juan C.
- Tiver, F.
- Tiver, Fleur
- Tiwari, J. K.
- Tiwari, Krishna Kant
- Tiwari, P.
- Tiwari, S. N.
- Tiwari, Smita
- Tiwutanon, Patsakorn
- Tixier, A. (Andrée)
- Tixier, Marie-Stephane
- Tixier, Pierre, 1918-1997
- Tixier, René
- Tizard, R. J.
- Tizkar, Babak
- Tizol Correa, Rafael
- Tizón, Francisco Rodrigo
- Tizo-Pedroso, Everton
- Tjader Expedition to British East Africa (1906)
- Tjäder, Åsa
- Tjader, Richard, 1869-1916
- Tjakrawidjaja, Agus H
- Tjatera, I. Wayan, 1947-
- Tjaturadi, Burhan
- Tjeder, Bo
- Tjiasmanto, Wewin
- Tjitrosoedirdjo, Sri S.
- Tjoelker, Mark G
- T'jollyn, Filiep
- Tkalčec, Zdenko
- Tkoc, Michal
- Tlapaya Romero, Liliana
- Tleuberdina, Pyruza A.
- Tlusty, Michael F.
- Tneacher, W H
- Tnis, Muhammad Ibn 'Umar, 1789 or 90-1857
- To, S T
- Toal, Kevin R
- To-anun, Chaiwat
- Tobacco Institute (Washington, D.C.)
- Tobacco Merchants Association of the United States.
- Tobach, Ethel
- Tobajas-Andrés, F.
- Tobalske, Bret W.
- Tobalske, Claudine,
- Tobar López, Diego
- Tobar Suárez, Cecilia
- Tobar Suárez, Diego Francisco
- Tobar, Claudio N.
- Tobar, Ignacio
- Tobar, Marcelo
- Tobar, Marcos
- Tobaschus, Nicole
- Tobe, Hiroshi, 1948-
- Toben, J. T.
- Tobeña, Marta
- Tobgy, H. A.
- Tobi, Elie
- Tobias, G.
- Tobias, Joe
- Tobias, Joseph A.
- Tobias, Michele M
- Tobias, Phillip V.
- Tobias, William
- Tobiasson, T. A.,
- Tobie, Walter E., Mrs.
- Tobien, Heinz
- Tobin Seed Company,
- Tobin, E. M.
- Tobin, Edward N.
- Tobin, James Joseph, 1885-
- Tobin, John E
- Tobin, Michael F