- Tomkins, Ivan R
- Tomkins, Peltro William, 1759-1840
- Tomkinson, F. A.
- Tomkinson, J W
- Tomkinson, P M L
- Tomkovich, Pavel S
- Tomkovitch, L. P.
- Tomkowiak, Agnieszka
- Tomlin, Alan D.
- Tomlin, John Read le Brockton, 1864-1954
- Tomlin, W. David.
- Tomlinson, B. E.
- Tomlinson, F. C.
- Tomlinson, G. H.
- Tomlinson, Jack T.
- Tomlinson, Moya
- Tomlinson, P. B. (Philip Barry), 1932-
- Tomlinson, R.
- Tomlinson, Roy E
- Tomlinson, Sarah.
- Tomlinson, W.
- Tomlinson'S Select Nurseries,
- Tommasi, Luiz Roberto
- Tommasini, Muzio
- Tommasino, Exequiel
- Tommerup, E. C.
- Tommerup, Niels
- Tomonaga, Susumu
- Tomos, Deri
- Tömösváry, Ödön, 1852-1884
- Tomov, Alexander
- Tomov, Rumen
- Tomov, Vasil
- Tomova, Anna
- Tomoyé Press.
- Tompa, A. S.
- Tompa, Alex S
- Tompa, Frank S.
- Tompkins and Company.
- Tompkins, A.
- Tompkins, Abel, 1810 or 1811-1862
- Tompkins, C. W.
- Tompkins, D K
- Tompkins, Daniel Augustus, 1851-1914
- Tompkins, Pauline D.
- Tompkins, William A.
- Toms, Raymond Ezra, 1887-
- Tomsa, Vladimír, 1830-1895
- Ton, Helen M. Lew
- Ton, Nguyen Dang
- Tōnansai Hokuun, active 1804-1830
- Tonapi, G. T. (Gopal Tammaji), 1924-
- Tondato, Karina Keyla
- Tondera, Franz
- Tondolo, Juliana Simoni Moraes
- Töndury, Gian
- Tonduz, Adolfo, 1862-1921
- Tone, Koichi
- Tonegawa, Yasuto
- Tonelli, Peter
- Tonello, Gabriela
- Toner, D.
- Toner, G. C. (George Clive), 1899-
- Toner, Joseph M. (Joseph Meredith), 1825-1896
- Toner, Maureen
- Toner, Richard C
- Tonetta, Denise
- Tonetti, O. A. O.
- Tonetto, Aurélio Fajar
- Toneva, Valentina
- tong zhen zao zhuan 童振藻撰
- Tong, George.
- Tong, Haiyan
- Tong, Jinnan.
- Tong, Junbo
- Tong, Lan
- Tong, Mark L.
- Tong, Shan
- Tong, Shuo-Qiu
- Tong, Sodany
- Tong, Xiang-Rong
- Tong, Xiao-Li
- Tong, Xiujiao
- Tong, Yanfeng
- Tong, Yi
- Tong, Yi-Hua
- Tong, Yijie
- Tong, Yongsheng
- Tongass National Forest (Agency : U.S.)
- Tongass National Forest (Agency : U.S.). Hoonah Ranger District.
- Tongass National Forest (Agency : U.S.). Sitka Ranger District.
- Tongass National Forest (Alaska)
- Tonge, Alfred Ernest, 1869-1939
- Tonge, Olive.
- Tonge, Simon
- Tongiorgi, Paolo
- Tongkerd, Piyoros
- Tongue, Cornelius, 1800-1884
- Tonhasca, Athayde
- Toni, Giovanni Battista de, 1864-1924
- Toni, Ilaria
- Toni, Sydney A.
- Tonial, I. J.
- Tonial, M. L. S.
- Toniazzo Backes, Geciane
- Tonin, Alan M.
- Tonin, Natalia L.
- Tonini, Francesco
- Tonini, Hélio
- Tonini, Mariano H.
- Tonini, R. T.
- Tonjock Kinge, Rosemary
- Tonkadale Greenhouse,
- Tonkin, Joe.
- Tonkin, Margaret
- Tonkin, Zeb
- Tonkinson, D. A.
- Tonkinson, Dale
- Tonkinson, J R
- Tonn, Carlos E.
- Tonn, Jonalea R.
- Tonne, Phil
- Tonnelier, Jacques.
- Tonner, Martin
- Tonnesen, Alex S.
- Tonni, Eduardo P.
- Tonning, Henrik, 1732-1796
- Tonnoir, André Léon 1885-1940
- Tønsberg, Tor
- Tony Rich (Firm)
- Tonyan, Ziravard
- Toogood, William G.
- Toohey, John I.
- Toohey, Loren.
- Tooke, Benjamin, 1723
- Tooke, W. Hammond
- Tooke, William, 1744-1820
- Tooker, John
- Tooker, John F.
- Tookey, James.
- Tool Shed Herb Farm,
- Toole, Christina
- Toole, E. H
- Toole, Thomas W
- Toole, W. A.
- Toole, William.
- Tooles of Garry-Nee-Dule.
- Toolin, Laurence J.
- Toolson, Eric C
- Tooma, Samuel G.
- Toombs, F. W.
- Toombs, Harry A
- Toome, Merje
- Toomes, Adam
- Toomey, Barbara Holland
- Toomey, Donald F.
- Toomey, James
- Toomey, Rickard
- Toone, S
- Toonen, Robert J.
- Toop, E.
- Toor, H. S.
- Toorop, Peter E., 1964-
- Tootell, Jesse S
- Toothaker, A. R.
- Top O' The Ridge,
- Topachevskii, Vadim Aleksandrovich
- Topál, György
- Topalova, Yana
- Topalovic, Olivera
- Topçu, Aydin
- Topeka Nurseries.
- Topeka Seed House.
- Töpel, Mats
- Töpfer, Klaus, 1938-
- Töpfer, Till
- Töpfer-Hofmann, Gaby
- Tòpfer-Petersen, Edda
- Topinard, Paul, 1830-1911
- Topinka, J. Rick
- Topinka, Keith.
- Topley, W. W. C. (William Whiteman Carlton), 1886-1944
- Topley, William, 1841-1894
- Topnotch Gardens.
- Topoff, Howard R.
- Topographisch Bureau van Oorlog.
- Topolnisky, George
- Topp, C. A.
- Topp, R. W. (Robert William), 1934-
- Toppan, Sarah M.
- Toppe, Johannese
- Toppen, David L
- Toppenish Nursery Co.
- Toppenish Nursery Company.
- Topper, Timothy P
- Topperwein, Udo.
- Toppin, W. H.
- Topping, Christopher John
- Topping, David LeRoy, 1861-1939
- Topping, Francis L
- Topping, J.
- Topping, Jane M.
- Topping, Michael G
- Topsell, Edward, 1572-1625
- Topsent, Émile 1862-1951
- Toquenaga, Yukihiko
- Toral, Eduardo
- Toranza, Carolina
- Torbett, Charles W.,
- Torbicz, Weronika
- Torcelli, Alfred J.
- Torcelli, Alfredo J.
- Torchetti, Lisa
- Torchia, Giovanni
- Torchin, Mark
- Torchio, Menico
- Torchio, Philip F.
- Tordable, María del Carmen
- Tordoff, Andrew W
- Tordoff, Harrison B
- Tordoff, J. P.
- Tordoya, Julieta
- Tore Rapp, Hans
- Torell, Otto, 1828-1900
- Torelli, A R
- Torelli, Alberto
- Toren, David
- Toren, David R
- Torén, Olof, 1718-1753
- Torezan, José Marcelo
- Torfason, W. E.,
- Torgan, Lezilda Carvalho
- Torge
- Torge, Christopher
- Torgersen, Anna S.
- Torgersen, Torolf R.
- Torgerson, Mary V.,
- Torgerson, Richard L.
- Torheim, Robert H., 1923-
- Toriba, Michihisa
- Toriello, Conchita
- Toriz, F.
- Torka, Valentin, 1867-1952
- Torke, Benjamin
- Torke, Benjamin M.
- Torki, Farhang
- Torkzadeh, Nasser
- Torlesse, Arthur David, 1902-1995
- Torma, Laszlo,
- Tormena, Cássio Antonio