- Hails, John R.
- Hails, Rosemary
- Hailstone, T S
- Haime, Jules, 1824-1856
- Haimovici, Manuel
- Hain, James H. W.
- Hain, Melchior Gottfried, 1659-1719
- Hainault, Robert
- Haine, Brendan
- Haines City Nurseries.
- Haines Seed Company.
- Haines, Aaron M
- Haines, Arthur
- Haines, C E
- Haines, Charlotte M.
- Haines, Charlotte M. (Firm)
- Haines, David B.
- Haines, F. M.
- Haines, Henry Haselfoot, 1867-1943
- Haines, James, 1822-
- Haines, Jennie Day, 1853-
- Haines, John H. (John Haldor) 1938-
- Haines, Lee
- Haines, Lundberg & Waehler.
- Haines, R. H.
- Haines, Richard Wheeler
- Haines, Robert D
- Haines, Susan L
- Haines, T. Harvey
- Haines, William A.
- Haines, William E.,
- Haines, William P.
- Haines-Young, R. H. (Roy H.)
- Hainfellner, Patrick
- Hainisch, Michael, 1858-1940
- Hainke'S Nursery,
- Hains, Layla Aerne
- Hainsworth, Reginald George,
- Hair, Jakie Alexander, 1940-
- Hair, Jay D.
- Hairaud, Michel
- Hairston, N G
- Hairston, Nelson G
- Hairston, Nelson G.
- Haislip, Nathan
- Haitao, Shi
- Haite, George Charles, 1855-1924
- Haiti. President (1818-1843 : Boyer)
- Haitlinger, Ryszard
- Hajdamowicz, Izabela
- Hajdu, Eduardo
- Hajduk, Adán
- Hajek, Ann E.
- Hajek, Jiri
- Hájek, Michal
- Hajela, K P
- Hajer, Jaromír
- Haji, Mohammed Ayoub
- Hajibabaei, Mehrdad
- Hajiqanbar, Hamidreza
- Hajjej, Ghailen
- Hajmolaali, Abdolazim
- Hajmoradi, Fatemeh
- Hajong, Sudhanya Ray
- Hajra, P K
- Hakanson, T
- Hakansson, Eckart
- Hake, C. Napier.
- Hake, J. W.
- Hakim, Roi R. C.
- Hakiwai, A. T. (Arapata Tamati)
- Hakkarainen, Harri
- Häkkinen, Markku
- Häkkinen, Sirpa
- Hakluyt, Richard, 1552?-1616
- Hakspiel-Segura, Cristian
- Haktert, Ernst
- Halaby, Reginald
- Halácsy, Eugen v., 1842-1913
- Halada, Marek
- Halafoff, Konstantin
- Halaj, Juraj
- Hałaj, Roman
- Halajian, Ali
- Halana, P
- Halanych, Kenneth M
- Halas, Dominik
- Halasy, Katalin
- Halàsz, Anna
- Halberg, Kaj
- Halbert Seed Company.
- Halbert, H. A.
- Halbert, James N.
- Halbert, Susan E
- Halbgewachs, Jacob
- Halbherr, Bernardino
- Halbig, Leo E
- Halbronn, Chéri R.
- Halcomb, Kristina E
- Halcomb, Larry
- Halcsik, Leticia
- Halda, Josefp
- Haldane, J. B. S. (John Burdon Sanderson), 1892-1964
- Haldane, J. S. (John Scott), 1860-1936
- Haldane, L. A.
- Haldar, Babu Rakhal Das
- Haldar, Badri Prasad
- Haldeman, Samuel Stehman, 1812-1880
- Haldeman, Walter Newman, 1821-1902
- Halder, D D
- Halder, Ronald
- Halder, Ulrich
- Haldi, Jacques
- Hale Brothers.
- Hale Georgia Orchard Co.
- Hale Nurseries.
- Hale Orchard & Nursery Co.
- Hale, Abraham
- Hale, Allan M.
- Hale, Amanda M
- Hale, Cindy M.
- Hale, Dreamer L
- Hale, Dwight Edward, 1877-
- Hale, Edward E.
- Hale, Edwin M. (Edwin Moses), 1829-1899
- Hale, Elizabeth H.
- Hale, Elizabeth Helen, 1856-
- Hale, George E
- Hale, Harry C.
- Hale, Henry.
- Hale, Herbert M. (Herbert Mathew), 1895-1963
- Hale, Horatio
- Hale, J. C.
- Hale, J. H.
- Hale, Jeanne
- Hale, John
- Hale, Josiah, approximately 1791-1856
- Hale, Linda J.
- Hale, Malcolm B.
- Hale, Mason Ellsworth
- Hale, Mason Ellsworth, Jr., 1928-1990
- Hale, Molly O
- Hale, P. M. (Peter Mallett)
- Hale, Philip Henry,
- Hale, R. Scott
- Hale, Ralph Tracy, 1880-
- Hale, Robert
- Hale, Sarah Josepha Buell, 1788-1879
- Hale, Thaddeus.
- Hale, Thomas (gardener)
- Hale, Thomas J. ca 1834-ca 1879
- Hale, V Q
- Hale, W. G.
- Hale, William G
- Hale, William H. G.
- Hale, Worth, 1876-
- Haleblian, S. E. (Silvana E.)
- Hales, B. J. (Benjamin Jones), 1868-1945
- Hales, Charles William.
- Hales, Dinah
- Hales, Dinah F
- Hales, Donald C. (Donald Caleb), 1929-
- Hales, Henry
- Hales, Lyndell Z.
- Hales, Stephen, 1677-1761
- Hales, T. Joan.
- Halevy, A H
- Haley Hill Literary and Scientific Society.
- Haley Nursery Company (Smithville, Tenn.)
- Haley, Leslie E
- Haley, Mark Christopher.
- Haley, Thomas J.
- Haley, Thomas.
- Halfeld-Vieira, Bernardo A.
- Halffter, Gonzalo
- Halffter, Halffter And Huerta
- Halffter, Violeta
- Halford, David A
- Halford, Douglas K
- Halford, Frederic M. (Frederic Michael), 1844-1914
- Halford, George Britton
- Halford, J. J. (Jason James)
- Halford, Jason
- Halfter, Svenja
- Haliburton, John P.,
- Halıcı, Mehmet Gökhan
- Halid, A N K
- Haliday, Alexander Henry, 1806-1870
- Halifax Committee of Trade.
- Halifax Fisheries Commission Halifax, N.S.) (1877-
- Halinski, Rosana
- Halket, A. C.
- Halkett, Andrew, 1854-1939
- Halkka, Olli
- Halkka, Ritva
- Halko, David J
- Haľková, Beáta
- Hall Dahlia Gardens.
- Hall Mark Nurseries.
- Hall Nurseries.
- Hall Seed Co.
- Hall, L. C.
- Hall, A J
- Hall, A V
- Hall, A. Daniel Sir, (Alfred Daniel), 1864-1942
- Hall, Ada Roberta, 1890-
- Hall, Adrienne A
- Hall, Alex
- Hall, Allan
- Hall, Ann Bowman.
- Hall, Anthony
- Hall, Arthur Graham, 1865-1925
- Hall, B. P. (Beryl Patricia)
- Hall, Basil, 1788-1844
- Hall, Benjamin Mortimer, 1853-
- Hall, Birger Martin, 1741-1814
- Hall, Bolton, 1854-1938
- Hall, Brian K
- Hall, Bruce E
- Hall, C E
- Hall, C. C. Jr.
- Hall, C. D.
- Hall, C. H.
- Hall, C. J. J. van (Constant Johan Jacob), 1875-1947
- Hall, Calen
- Hall, Carlotta Case.
- Hall, Carol
- Hall, Carol: Binns, Greg
- Hall, Casey R
- Hall, Charity
- Hall, Charles A. (Charles Albert), 1872-1965
- Hall, Charles E
- Hall, Charles Francis, 1821-1871
- Hall, Charles W.
- Hall, Chas. R.
- Hall, Chris
- Hall, Christopher James.
- Hall, Clancy A.
- Hall, Clarence A.
- Hall, Constant Johan Jacob van, 1875-
- Hall, Cuthbert
- Hall, D N
- Hall, Dale O.
- Hall, Darrell D., 1936-
- Hall, David
- Hall, David F.
- Hall, David G.
- Hall, David W. (David Walter), 1940-
- Hall, David, 1714-1772
- Hall, Dianne L.