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- Swan, Kenneth D. (Kenneth Dupee), 1887-1970
- Swan, L W
- Swanback, T. R. (Tore Robert), 1892-
- Swanberg, Neil R
- Swanberg, Tim,
- Swander, Lynda
- Swanepoel, D A
- Swanepoel, Pierre
- Swanholm, Carl E
- Swank, G. W.
- Swann, C P
- Swann, G
- Swann, H. Kirke (Harry Kirke), 1871-1926
- Swann, John E.
- Swansea Training College (Wales),
- Swanson Cactus Gardens.
- Swanson, Alexander
- Swanson, Bruce Lowell, 1932-
- Swanson, C. R.
- Swanson, Carl W.
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- Swanson, Dustin.
- Swanson, E. R. (Earl Raymond), 1921-
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- Swanson, Paul.
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- Swanson, Robert H.
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- Swanson, Thomas B
- Swanson, Timothy M.
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- Swanston, William.
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- Swanton, Ernest W.
- Swanton, G W
- Swanton, John Reed, 1873-1958
- Swanzy, Jon D.
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- Swapna, S
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- Swarbrick, John T
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- Swarça, AC.
- Swarça, Ana
- Swarça, Ana Claudia
- Swarça, Ana Cláudia
- Swarm, Lee Ann
- Swarofsky, Elaine de Azambuja Correia
- Swart, Antoinette
- Swart, Cheruscha
- Swart, Peter
- Swart, R H
- Swart, Wijnand
- Swarth, Christopher W.
- Swarth, Harry S. (Harry Schelwald), 1878-1935
- Swarthout, A. V. (Arthur Vance), 1885-
- Swartley & Becker (Firm)
- Swartley, E. C.
- Swartz Flower Grower,
- Swartz Nurseries,
- Swartz Nursery.
- Swartz, Caroline J.
- Swartz, Ernst Ibrahim, 1798-1845
- Swartz, Ernst R
- Swartz, Joe
- Swartz, L G
- Swartz, Linda M
- Swartz, Olof, 1760-1818
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- Swartz, S
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- Swatzell, Lucinda J
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- Swayne, Harald George Carlos, 1860-
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- Swayne'S Gardens,
- Swaysgood, Susan, Mrs.
- Swaysgood, Susan, Mrs.,
- Swaysland, W.
- SWCA, Inc.
- Sweadner, W. R.
- Sweaney, James.
- Sweanor, Patricia.
- Swearer, S E
- Swearingen, M
- Sweat, D E
- Sweat, Donald E
- Sweatman, Gordon K.
- Sweatt, Andrew J
- Swebach de Fontaine, Jacques François Joseph, 1769-1823
- Swedberg Bros. Nurseries.
- Swedberg Bros. Nursery.
- Swedberg Brothers Nursery.
- Swedberg Brothers.
- Swedberg Nursery.
- Swedberg, D. R.
- Swedberg, J. E.
- Sweden. Hydrografisk-biologiska kommissionen.
- Swedenborg, Emanuel, 1688-1772
- Swederus, M. B. (Magnus Bernhard), 1840-
- Swederus, Magnus 1748-1836
- Swedesboro Plant Nurseries.
- Swedish zoological expedition to British East Africa, 1911-
- Swedish Zoological Expeditions to Siam, 1911-1912, 1914-1915.
- Sweedler, J V
- Sweedler, Jonathan V
- Sweedman, Luke
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- Sweeney, Michael J
- Sweeney, Patrick
- Sweeney, Roger G.
- Sweeney, S J
- Sweeney, Steven J
- Sweeney-Reeves, Mary
- Sweeny Dahlia Gardens.
- Sweeny, Robert Ormsby, 1831-1902
- Sweere, J A
- Sweerts, Emanuel
- Sweerts, Emanuel, 1552-1612
- Sweerts, Hieronymus, 1629-1696
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- Sweet, George A.
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- Sweet, Muriel.
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- Sweet, Paul R.
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- Sweet, Samuel S
- Sweet, W
- Sweeting and Co.
- Sweeting, R. H.
- Sweetman, H L
- Sweetman, Harvey L
- Sweetser, Albert R. (Albert Raddin), 1861-1940
- Sweetser, George A. 1872-1961
- Sweetwater Valley Nurseries.
- Sweezey, Goodwin D.
- Sweger, Alexander L
- Swegman, B G
- Sweigart, Andrea L
- Sweitzer, E M
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- Swellengrebel, N. H. (Nicolaas Hendrik), 1885-1970
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- Swenie, Rachel
- Swenk, Jane Bishop
- Swenk, Myron Harmon, 1883-1941
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- Swennen, Cornelis
- Swennen, Rony
- Swenson Nursery Co.
- Swenson, George
- Swenson, J E
- Swenson, Ulf
- Swenson, Ulf
- Swep Taylor Seed & Chemical Company.
- Swerczek, T.W.
- Swerdon, Rebekah R
- Swetharanyam, S
- Swett, John F.
- Swett, Keene
- Swett, L W
- Swett, Louis W
- Swett, Raymond W.
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- Swettenham, Frank A
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- Swezey, George H.
- Swezey, Goodwin D.
- Swezey, Otto H. (Otto Herman) 1869-1959
- Swezey, S L
- Swezy, Olive
- Swezy, Olive, 1878-
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- Swickard, Mary T.
- Swidde, Willem, 1661-1697
- Swiderek, K M
- Swiech-Ayoub, Bianca de Paula
- Swiecki, Steven R
- Swiecki, Tedmund J
- Swier, S R
- Swier, Vicki J.
- Swierczewski, Dariusz
- Swierstra, C J
- Swietojanska, Jolanta
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- Swift, Andrew
- Swift, Bryan L
- Swift, Camm C
- Swift, Camm C.
- Swift, Cheryl C.
- Swift, D E
- Swift, David M. (David Munson)
- Swift, Donald J. P.
- Swift, Elijah
- Swift, F C
- Swift, Franklin.
- Swift, Ian
- Swift, Lola Ernesta.
- Swift, Marjorie E
- Swift, Rodney B.
- Swift, Sandra L.
- Swift, Vallery A.
- Swiggett, Glen Levin
- Swihart, R K