- Robbins, Mark B
- Robbins, Mary Caroline, 1841-1912
- Robbins, Matthew
- Robbins, Monroe.
- Robbins, R A
- Robbins, R C
- Robbins, R G
- Robbins, R K
- Robbins, R. Laurie
- Robbins, Reginald C.
- Robbins, Reginald C. (Reginald Chauncey), 1871-1955
- Robbins, Richard G.
- Robbins, Robert
- Robbins, Robert K
- Robbins, Robert K.
- Robbins, Ruth C. (Ruth Coburn), 1910-
- Robbins, T O
- Robbins, W J
- Robbins, Wilfred William, 1884-1952
- Robbins, William J
- Robbins, William Jacob, 1890-
- Robblee, A. R. (Alexander R.)
- Robbrecht, E
- Robbrecht, Elmar
- Robe, Lizandra Jaqueline
- Robe, Robert Quincy.
- Robel, Detlef
- Robel, Robert J
- Röben, Peter
- Robenarimangason, H
- Robens, H. H.
- Rober, E. J.
- Rober, Elenore E.
- Rober, Ernest.
- Röber, Johannes, 1861-1942
- Roberg, Lars.
- Roberg, Renata Alves Pinheiro
- Roberge, Benoît
- Roberge, David.
- Roberge, Jean-Michel
- Roberge, Michel Robert 1791-1864
- Roberson Berry Farm,
- Roberson, Jay A
- Roberson, Kenneth
- Roberson, Muriel
- Robert A. Bennett (Firm)
- Robert A. Giblin (Firm)
- Robert B. Lapthorn (Firm)
- Robert B. Lapthorn (Firm),
- Robert Buist Company
- Robert C. Reeves Co.
- Robert C. Young (Firm)
- Robert Clark & Company.
- Robert Clarke & Co.
- Robert Craig Company, Inc.
- Robert Craig Company.
- Robert Drumm & Co.
- Robert E. Hughes (Firm)
- Robert Evans Hughes (Firm)
- Robert F. Haussener (Firm)
- Robert G. Goelet American Museum-Terramar Expedition 1994-
- Robert G. Goelet American Museum-Terramar Expedition 1995-
- Robert H. Asher (Firm)
- Robert H. Bender (Firm)
- Robert H. Bender Co.
- Robert H. Forman (Firm)
- Robert J. Kunderd Gladioli Farm.
- Robert J. Kunderd Gladiolus Farm.
- Robert K. Swan (Firm),
- Robert L. Preston (Firm)
- Robert Laurie & Sons.
- Robert Nicholson (Firm)
- Robert Nicholson Seed Company
- Robert P. Smith.
- Robert Peccia & Associates.
- Robert R. Walker (Firm)
- Robert S. Lemmon (Firm)
- Robert Scott & Son.
- Robert T. Jackson (Firm)
- Robert Tubb (Firm),
- Robert Veitch & Son.
- Robert Veitch Company.
- Robert Wayman (Firm)
- Robert, A.
- Robert, A., 17th cent-
- Robert, A., zoologist.
- Robert, Adrien
- Robert, Berthold
- Robert, Daniel
- Robert, De Schlagintweit
- Robert, Fritz, 1884-
- Robert, Gaspard-Nicolas
- Robert, J M
- Robert, J. fl 1746-1782
- Robert, J-M
- Robert, Joyce O.
- Robert, Léo,
- Robert, M E
- Robert, M Eug
- Robert, M Eugène
- Robert, Marie-Françoise
- Robert, Marlen
- Robert, Maurício de Castro
- Robert, Michel
- Robert, Nicolas, 1614-1684
- Robert, P
- Robert, Pascale de
- Robert, Paul, 1851-1923
- Robert, Paul-A.
- Robert, Philippe.
- Robert, Thierry
- Robert, Vincent
- Robert, Y
- Robert.
- Roberta Freeman Dixon (Firm)
- Roberti, R
- Robertis, Dominico De, active 16th century-
- Roberto, Igor Joventino
- Roberto, MC.
- Roberto, RL
- Roberto, Salvadori Jose
- Robert-Passini, M-F
- Roberts & Barker.
- Roberts Nurseries, Inc.
- Roberts Nurseries, Inc. (Englewood, Colo.)
- Roberts Nurseries, Inc. (Littleton, Colo.)
- Roberts Nursery (Makanda, Ill.)
- Roberts Nursery Co.
- Roberts Rose Co. (Englewood, Colo.)
- Roberts Strawberry Nursery,
- Roberts, A W
- Roberts, Alex W
- Roberts, Alexandra A
- Roberts, Alfred 1823-1898
- Roberts, Alfred W.
- Roberts, Amanda
- Roberts, Anna
- Roberts, Arthur James Rooker.
- Roberts, Austin
- Roberts, B A
- Roberts, B R
- Roberts, Barnaby
- Roberts, Bay D
- Roberts, Beatrice.
- Roberts, Bill J.
- Roberts, Brian
- Roberts, C H
- Roberts, Catherine
- Roberts, Charles G. D. Sir, (Charles George Douglas), 1860-1943
- Roberts, Charles, Dec 31 1901
- Roberts, Cheryl
- Roberts, Chris H
- Roberts, Clive D.
- Roberts, D
- Roberts, D A
- Roberts, D C
- Roberts, D E
- Roberts, D L
- Roberts, D. W. A.
- Roberts, Dar.A.
- Roberts, David
- Roberts, David
- Roberts, David C
- Roberts, David C.
- Roberts, David L
- Roberts, David M
- Roberts, David, 1796-1864
- Roberts, David, fl 1906-1935
- Roberts, David, Dr.
- Roberts, David.
- Roberts, David. 1906-1935
- Roberts, E G
- Roberts, E W
- Roberts, E.
- Roberts, E. V.
- Roberts, Edgar.
- Roberts, Edith
- Roberts, Edith A
- Roberts, Edith Adelaide
- Roberts, Edith Adelaide, 1881-
- Roberts, Edward P., 1849
- Roberts, Elmer, 1886-1983
- Roberts, Emma K.,
- Roberts, Eric (Eric M.)
- Roberts, Eric M.
- Roberts, Ethel Dane
- Roberts, Everett A
- Roberts, F H S
- Roberts, F L
- Roberts, F L R
- Roberts, F S
- Roberts, Ffrangcon.
- Roberts, Fred
- Roberts, Fred M. Jr.
- Roberts, G. L.
- Roberts, George Henry, 1869-
- Roberts, George.
- Roberts, Gina
- Roberts, H. Armstrong (Howard Armstrong), 1885-1947
- Roberts, H. F. (Herbert Fuller), 1870-
- Roberts, H. Radclyffe 1906-1982
- Roberts, Harold D.
- Roberts, Harry, 1871-1946
- Roberts, Harry.
- Roberts, Heather R.
- Roberts, Helen H. (Helen Heffron), 1888-1985
- Roberts, Henry S
- Roberts, Henry, approximately 1710-approximately 1790
- Roberts, Howard Armstrong, 1885-
- Roberts, Howard Armstrong, 1885-
- Roberts, Isaac Phillips, 1833-1928
- Roberts, J
- Roberts, J
- Roberts, J Andrew
- Roberts, J D
- Roberts, J E
- Roberts, J Isgaer
- Roberts, J K
- Roberts, J L
- Roberts, J O M
- Roberts, J W
- Roberts, J.
- Roberts, J. Dale
- Roberts, Jackson
- Roberts, James E
- Roberts, James Russel.
- Roberts, James, 1668 or 1669-1754
- Roberts, James, 1725-1799
- Roberts, Jason
- Roberts, Jay Gilbert, 1874-
- Roberts, Jessica.
- Roberts, John
- Roberts, John
- Roberts, John
- Roberts, John A., 1890-
- Roberts, John L
- Roberts, John S., fl 1868-1882
- Roberts, John T., Jr.
- Roberts, John W. (John William), 1882-1957
- Roberts, John.
- Roberts, Josiah A.
- Roberts, Josie
- Roberts, Karen K.
- Roberts, Katie
- Roberts, Ken
- Roberts, Kevin
- Roberts, L
- Roberts, M A
- Roberts, M B
- Roberts, M J