- Harris, R J
- Harris, R. A.
- Harris, R. D.
- Harris, R. D.
- Harris, R. D.
- Harris, R. J. C. (Robert John Cecil), 1922-
- Harris, R. R.
- Harris, R. Vernon.
- Harris, Rebecca
- Harris, Reginald G
- Harris, Reid N.
- Harris, Richard B.
- Harris, Richard C.
- Harris, Richard L.
- Harris, Richard Wilson, 1920-
- Harris, Robert D.
- Harris, Robert E.
- Harris, Robert Samuel, 1905-
- Harris, Roy Henry Desmond,
- Harris, Rupert
- Harris, S
- Harris, S C
- Harris, S K
- Harris, S. G.
- Harris, S. K.
- Harris, S. M.
- Harris, S. W.
- Harris, Stanley.
- Harris, Stephen
- Harris, Stephen A
- Harris, Steven
- Harris, Steven C.
- Harris, Stuart A.
- Harris, Stuart K
- Harris, Stuart K.
- Harris, Stuart Kimball, 1906-1969
- Harris, Thaddeus William, 1795-1856
- Harris, Thomas Maxwell
- Harris, Thomas Maxwell, 1903-1983
- Harris, Tom M
- Harris, Tracie
- Harris, Vernon A
- Harris, Vincent Dormer
- Harris, Vincent Dormer.
- Harris, W C
- Harris, W E
- Harris, W J
- Harris, W K
- Harris, W V
- Harris, W. R.
- Harris, W. S.
- Harris, Walter, 1647-1732
- Harris, Walter, active 17th century-18th century
- Harris, Wayne C
- Harris, Wayne K
- Harris, Wiley F.,
- Harris, William A. (William Alexander), 1805-1864
- Harris, William C. (William Charles), 1830-1905
- Harris, William Cornwallis, Sir, 1807-1848
- Harris, William E.
- Harris, William H., 1860-1920
- Harris, William Hetherington, 1835-
- Harris, William Hetherington.
- Harris, William J
- Harris, William S
- Harrisburg Seed Company.
- Harrision, Bruce A
- Harrison & Sons (Leicester, England)
- Harrison & Storrs Co.
- Harrison Arthur K.
- Harrison H. Given (Firm)
- Harrison H. Given Florist Co.
- Harrison Nursery Co.
- Harrison Nursery Company (York, Neb.)
- Harrison Nursery Company.
- Harrison, Miss,
- Harrison, Miss.
- Harrison, A D
- Harrison, A J
- Harrison, A K
- Harrison, A S
- Harrison, A T
- Harrison, Alexis
- Harrison, Andrew
- Harrison, Arthur D
- Harrison, Arthur K
- Harrison, Arthur K.
- Harrison, Bertrand F
- Harrison, Bertrand Fereday, 1908-2002
- Harrison, Billy
- Harrison, Birge, 1851-
- Harrison, Bruce A.
- Harrison, C J O
- Harrison, C M H
- Harrison, C. D.
- Harrison, C. S. (Charles Simmons), 1832-1919
- Harrison, Caroline.
- Harrison, Carrie
- Harrison, Charles A
- Harrison, Charles, F. H. S.
- Harrison, Charles.
- Harrison, Colin James Oliver
- Harrison, Colin James Oliver, 1926-2003
- Harrison, Craig S.
- Harrison, D. C.
- Harrison, D. L.
- Harrison, David L. (David Lakin)
- Harrison, E
- Harrison, E B
- Harrison, Emily
- Harrison, F
- Harrison, F P
- Harrison, F W
- Harrison, F. C. (Francis Charles), 1871-
- Harrison, F. V.
- Harrison, Fairfax, 1869-1938
- Harrison, G
- Harrison, G H
- Harrison, G H A
- Harrison, G L
- Harrison, George L
- Harrison, Greg J.
- Harrison, Hal H
- Harrison, I J
- Harrison, Ian J
- Harrison, J G
- Harrison, J L
- Harrison, J M
- Harrison, J W
- Harrison, J W H
- Harrison, J W Heslop
- Harrison, J. B.
- Harrison, J. J.
- Harrison, J. O.
- Harrison, James E
- Harrison, James M.
- Harrison, Jeff
- Harrison, Jeffery G.
- Harrison, Jeremy
- Harrison, Jerry
- Harrison, Jerry
- Harrison, Jessica A.
- Harrison, John Burchmore, 1856-1928
- Harrison, John, active 1602-1641
- Harrison, John.
- Harrison, Joseph.
- Harrison, Julian R. III 3rd
- Harrison, Keith
- Harrison, Kenneth A.
- Harrison, Kristen
- Harrison, L
- Harrison, Launcelot
- Harrison, Launcelot.
- Harrison, Linda
- Harrison, Linda R.
- Harrison, Malcom
- Harrison, Margaret N
- Harrison, Mark.
- Harrison, Mary
- Harrison, Merton E. (Merton Echo), 1876-
- Harrison, Michael
- Harrison, Nicola A
- Harrison, P
- Harrison, Paul J. H.
- Harrison, Peter L
- Harrison, R E
- Harrison, R J
- Harrison, Rhett D
- Harrison, Robin T.
- Harrison, Ross G. 1870-1959
- Harrison, Ross Granville
- Harrison, Ruth
- Harrison, Ruth M
- Harrison, S G
- Harrison, S J
- Harrison, S P
- Harrison, Simon
- Harrison, Susan
- Harrison, T E
- Harrison, T L
- Harrison, T. H.
- Harrison, T. J. (Thomas James), 1885-1964
- Harrison, Thomas
- Harrison, Thomas,
- Harrison, Tim
- Harrison, Travis Henry John
- Harrison, W R
- Harrison, W. (Wyman), 1931-2014
- Harrison, W. A.
- Harrison, W.A.
- Harrison, Walter H.
- Harrison, Wanda O.
- Harrison, Wayne
- Harrison, William Jerome, 1845-1909
- Harrison, Wm. H.
- Harrison-Nelson, Elizabeth B.
- Harrison's Nurseries (Berlin, Md.)
- Harrisons' Nurseries (Berlin, Md.)
- Harrisox, Launcelot
- Harriss, Robert C
- Harrisson, C M H
- Harrisson, Christopher M H
- Harrisson, T
- Harrisson, T H
- Harrod, Chris
- Harrod, R J
- Harrod, Richy J
- Harrod, Richy J.
- Harrod, Robert L.
- Harrold, C G
- Harrold's Pansy Gardens (Grants Pass, Or.)
- Harrold's Pansy Gardens.
- Harrop, Edward D
- Harrow School Scientific Society.
- Harrow, Benjamin, 1888-1970
- Harrow, S.
- Harrower, Colin
- Harrower, Emma
- Harrower, Henry D.
- Harrower, Henry R. (Henry Robert), 1883-
- Harrower, Henry Robert, 1883-
- Harry A. Bunyard Co.
- Harry Adam Bunyard (Firm)
- Harry C. Lindholm (Firm)
- Harry Chaapel (Firm)
- Harry Deam (Firm)
- Harry E. Ruble & Son,
- Harry E. Ruble & Sons.
- Harry E. Saier Co.
- Harry F. Buckman (Firm)
- Harry Franklin Baker (Firm)
- Harry Haas (Firm)
- Harry Houdini Collection (Library of Congress)
- Harry Johnson (Firm)
- Harry L. Holmes (Firm)
- Harry L. Holmes (Harrisburg, Pa.)
- Harry L. Squires (Firm)
- Harry L. Stinson (Firm)
- Harry N. Hammond (Firm)
- Harry N. Hammond Seed Co.
- Harry O. Thumma and Earl H. Wagner (Firm)
- Harry R. Marlow & Co.
- Harry S. Westmacott (Firm)
- Harry Thomas (Firm),
- Harry, H W
- Harry, Harold W
- Harry, Hw
- Harry, Ingmar
- Harry, Joseph Edward, 1863-
- Harry, Robert R