- Silver, Dave
- Silver, James, 1890-
- Silver, L. P.
- Silver, P G
- Silver, R B
- Silver, Rod S.
- Silverborg, Savel B. (Savel Benhard), 1913-1993
- Silverin, Bengt
- Silvério, Adriano
- Silvério, Divino Vicente
- Silvério, Michelline L
- Silverman, Alexander
- Silverman, Barry A
- Silverman, Emily D
- Silverman, H
- Silverman, Harold
- Silverman, J
- Silverman, Raymond Aaron.
- Silvermine Nurseries.
- Silvern, L
- Silvernail, Anthony F.
- Silversides, Frederick Gordon, 1956-
- Silverstein, R M
- Silverstone-Sopkin, Philip Arthur
- Silvertown, Jonathan
- Silvesri, Philippo.
- Silvester, Charles F
- Silvestre Martins, Rodrigo
- Silvestre Salvador, Gisele
- Silvestre, Daniel Moreto
- Silvestre, Rogerio
- Silvestre, Rogerio
- Silvestre, Rogério
- Silvestre-Capelato, Maria Stella Fernandes
- Silvestri, A
- Silvestri, Celeste
- Silvestri, Cipriano.
- Silvestri, Felipe
- Silvestri, Filippo, 1873-1949
- Silvestri, Giuseppe Maria.
- Silvestri, María C
- Silvestrini, Leopoldo.
- Silvestrini, Milene
- Silvestro, Violeta A.
- Silvia, Mega
- Silvia-Matos, Dalva M.
- Silvino, AS
- Silvino, RF
- Silvonen, Kimmo
- Silvoni, María G.
- Silvosa, Cyrose Suzie C
- Silyestri, Filippo
- Sim Carnation Co.
- Sim, C J
- Sim, Charles,
- Sim, G
- Sim, George.
- Sim, Innes
- Sim, Innes M W
- Sim, Robert J.
- Sim, Robin
- Sim, S L
- Sim, T. R. (Thomas Robertson), 1858-1938
- Sima, Peter
- Simá-Álvarez, Raúl
- Simabukuro, Eliana A.
- Simabukuro, Eliana Akie
- Simaiakis, Stylianos
- Simaika, John P
- Simakova, Ulyana
- Simán, Sanna E
- Simanauskas, T
- Simanovsky, Sergey
- Simanton, F. L. (Frank Leslie), 1875-
- Simanton, J Roger
- Simanton, W A
- Simão, Daniela Guimarães
- Simão, E.
- Simão, Edson
- Simao, Isaac
- Simão, Sheila
- Simão, Sheila M.
- Simão-Neto, I.
- Sima-Panti, David
- Simard, B. R.
- Simard, Geneviève
- Simard, Henri, 1869-1927
- Simard, Marie-Josée
- Simard, Peter
- Simard, R. R.
- Simas Teixeira, Maria Francisca
- Simas, Felipe N. B.
- Simas, Pedro Henrique
- Simbaqueba C., Ronald
- Simberloff, Daniel
- Simboura, Nomiki
- Sime, Carolyn A.
- Sime, James, 1843-1895
- Sime, K R
- Sime, Karen R
- Sime, Palmer R
- Simeão, C. M. G.
- Simeon F. Leonard (Firm)
- Simeon, Cornwall.
- Siméon, Rémi, 1827-1890
- Simeone, Alejandro
- Simeone, J B
- Simeone, Marco Cosimo
- Simeone, William E.
- Simeonov, Vasil
- Simeonovska-Nikolova, Daniela
- Simeonovski, Velizar
- Simeray, J
- Simerka, Václav (Wenzel)
- Simerly, Frank, 1927-
- Simferopolʹ (Ukraine). Vsesoi͡uznyĭ nauchno-issledovatelʹskiĭ institut lekarstvennykh i lekarstvenno-tekhnicheskikh rasteniĭ.
- Siṃha, Rājeśvaraprasāda Nārāyaṇa, 1905-
- Simha, Shyam Sunder
- Simiand, Christophe
- Simião, Monica
- Simião-Ferreira, J.
- Simila, Jukka
- Siminovitch, David.
- Siminski, Alexandre
- Simionato, Claudia G
- Simionato, LH
- Simionatto, Edésio Luiz
- Simionatto, Euclésio
- Simionatto, Karen Bazan
- Simione, Frank P
- Simison, W. Brian (Warren Brian)
- Simith, Darlan de Jesus de Brito
- Simkin, Donald W.
- Simkins, Joshua Dean.
- Simko, B
- Simlai, Trishant
- Simler, Rudolph Theodor, 1833-1874
- Simmer-Bravin, J.
- Simmers, J. A.
- Simmers, R W
- Simmins, Samuel, 1856-
- Simmonds, Daina.
- Simmonds, Denise M
- Simmonds, John Howard
- Simmonds, John.
- Simmonds, Joseph Henry 1845-1936
- Simmonds, K E
- Simmonds, N W
- Simmonds, P. L. (Peter Lund), 1814-1897
- Simmonds, T W
- Simmonds, Vane.
- Simmons Seed Company.
- Simmons, A
- Simmons, A. M.
- Simmons, A. T.
- Simmons, A. T. (Arthur Thomas), 1865-
- Simmons, Alan J.
- Simmons, Alvin
- Simmons, C. Laura
- Simmons, D R
- Simmons, D. D.
- Simmons, David J. (David Jay), 1931-
- Simmons, E E
- Simmons, E. E.
- Simmons, Fred C. (Fred Charles), 1905-
- Simmons, G A
- Simmons, George Finlay
- Simmons, Gregory
- Simmons, H. H.
- Simmons, Herman Georg, 1866-1943
- Simmons, J A
- Simmons, J E
- Simmons, James A.
- Simmons, James Raymond.
- Simmons, James Samuel, 1861-
- Simmons, Jim T
- Simmons, John E
- Simmons, John,
- Simmons, K A
- Simmons, K E L
- Simmons, Kent
- Simmons, Leigh
- Simmons, Lewis Michael
- Simmons, M
- Simmons, M D
- Simmons, M.
- Simmons, Mark P.
- Simmons, Michael D
- Simmons, Michelle
- Simmons, Michelle Y
- Simmons, Mila S.
- Simmons, Nancy B.
- Simmons, Norman M.
- Simmons, Orville L
- Simmons, Perez, 1892-
- Simmons, Prue
- Simmons, R E
- Simmons, R M
- Simmons, R S
- Simmons, Rabern D
- Simmons, Rebecca B
- Simmons, Richard L.
- Simmons, Robert E.
- Simmons, Robert S
- Simmons, Roger Edwin.
- Simmons, Thomas W
- Simmons, Vernon Pitkin.
- Simmons, W. C., Mrs.,
- Simmons, Zoë
- Simms, David A.
- Simms, George E.
- Simms, Henry
- Simms, J
- Simms, Michael J
- Simms, Stephen C. (Stephen Chapman), 1863-1937
- Simmul, Tara L
- Simó, Miguel
- Simo-Droissart, Murielle
- Simoens da Silva, Antonio Carlos
- Simões Dias, Vanessa
- Simões Libardi, Gustavo
- Simoes, A M Nascimento Z L
- Simões, A R
- Simões, Ana Rita
- Simões, André O
- Simões, André Olmos
- Simões, Eliane
- Simões, Flavia
- Simoes, Jose
- Simões, Kelly
- Simões, L. F.
- Simões, Larissa N.
- Simões, Larissa Novaes
- Simões, Luiza
- Simões, Marcello G
- Simões, Marcello G.
- Simões, Marianna V. P.
- Simões, Matheus
- Simões, Matheus H.
- Simões, Nadson R.
- Simões, Nadson Ressyé
- Simoes, Nelson
- Simões, NR
- Simões, NR.
- Simões, Nuno
- Simões, Raquel de O.
- Simões, RO.
- Simões, S.
- Simões, Sabrina Morilhas
- Simões, Sara Magda Oliveira