- Halpern, J A
- Halpin, J. G. (James Garfield), 1882-
- Halpin, L
- Halpin, Patricia M.
- Halprin, Lawrence.
- Halsberghe, MJE.
- Halse, N J
- Halse, Richard R.
- Halse, S A
- Halse, Stuart
- Halse, Stuart A
- Halsey, Abraham, 1790-1857
- Halsey, D. D.
- Halsey, Dean.
- Halsey, Frances
- Halsey, Frances J
- Halsey, H.R.
- Halsey, J
- Halsey, Linda A. (Linda Ann), 1962-
- Halsey, M
- Halsey, Michaela K.,
- Halsey, Mike
- Halsey, Richard W
- Halsey, S H
- Halsey, S. H.
- Halsham, John.
- Halsread, T F
- Halstead, A
- Halstead, A J
- Halstead, B D
- Halstead, Bruce W
- Halstead, Bruce W.
- Halstead, Byron D
- Halstead, D G H
- Halstead, Edward P
- Halstead, J A
- Halstead, Jeffrey A
- Halstead, L. B.
- Halstead, T F
- Halsted, A. M.
- Halsted, Bryon D
- Halsted, Byron D. (Byron David), 1852-1918
- Halsted, George Bruce, 1863-1922
- Halsted, Kit
- Halsted, M. B. (Mina B.), 1860
- Haltenorth, Theodor
- Halter, Clarence R
- Halterman, Mary D.
- Halterman, Murrelet.
- Haltermann, Victoria
- Halton, D W
- Halton, John Henry, 1871-1942
- Halttunen, Elina
- Haluch, Carolina Ferreira
- Halupka, Max
- Halusky, J G
- Halverson, J L
- Halverson, Roger C
- Halverson, Timothy G
- Halvorsen, Frank
- Halvorson, H. Orin 1897-
- Halvorson, Jonathan J
- Halvorson, William L
- Halward, Tracy
- Halx, Günther
- Haly, A
- Ham, Anthony
- Ham, Brenda
- Ham, Clara E.
- Ham, R. W. J. M. van der, 1951-
- Ham, Raymond van der
- Ham, S. A.
- Hama, Takao
- Hamacher, Cláudia
- Hamada, Eisuke
- Hamada, N
- Hamada, N.
- Hamada, Neusa
- Hamada, Neusa
- Hamady, Maya
- Hamaguchi, Yukihisa
- Hamai, J
- Hamai, Junji
- Hamak, John E.
- Hamaker, C
- Hamaker, J. I. (John Irvin), 1869-
- Hamaker, John Irvin, 1869-
- Hamal, I A
- Hämäläinen, M
- Hamam, Khaled A
- Hamamoto, Susan T
- Haman, A C
- Haman, D
- Haman, Miles, 1893-1964
- Hamann, C. B.
- Hamann, Carl A.
- Hamann, J C
- Hamann, Jeff
- Hamann, Jeffrey C
- Hamann, M. I.
- Hamann, Marcia J
- Hamann, Mark
- Hamann, MI
- Hamann, MI.
- Hamann, Monika Inés
- Hamann, Otto
- Hamann, Otto, 1857-1925
- Hamann, Otto.
- Hamann, Su
- Hamann, T
- Hamann, Ute
- Hamant, Cl
- Hamar, Martin
- Hamas, Michael J
- Hamatani, I
- Hambäck, Peter
- Hambali, G G
- Hamberg, Knut Herman Rudolf, 1873-1920
- Hamberger, Georg Erhard, 1697-1755
- Hambidge, Gove, 1890-
- Hamblen, J. R.
- Hambleto, E J
- Hambleton, E J
- Hambleton, J C
- Hamblin, Stephen F. (Stephen Francis), 1884-
- Hamblin, Stephen Francis, 1884-
- Hambly, Wilfrid D. (Wilfrid Dyson), 1886-1962
- Hambrook, J
- Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten.
- Hamburg (Germany). Oberschulbehorde. Sektion fur die Wissenschaftlichen Anstalten.
- Hamburg Nurseries.
- Hamburg. Botanische Staatsinstitut.
- Hamburger deutsch-südwestafrikanische Studienreise 1911-
- Hamburger Magalhaensische Sammelreise (1892-1893)
- Hamburger Südwest-Australische Forschungsreise, 1905-
- Hamburger, Diana Sarita
- Hamburger, H. J. (Hartog Jacob), 1859-1924
- Hamburgische Wissenschaftliche Stiftung.
- Hamburgisches Zoologisches Museum und Institut
- Hamby, Robert Jay
- Hamdi, Seyed Mohammad Mahdi
- Hamdine, W
- Hamdoun, Amro M
- Hamdy, Rasha
- Hamed, K
- Hameed, C Abdul
- Hameed, Shoaib
- Hamel & Co.,
- Hamel, Carl
- Hamel, Cary D.
- Hamel, D. R.
- Hamel, Denis
- Hamel, G
- Hamel, Gontran
- Hamel, J
- Hamel, J F
- Hamel, J L
- Hamel, Jean
- Hamel, Jean-Louis
- Hamel, J-L
- Hamel, Joseph.
- Hamel, K
- Hamel, M
- Hamel, Paul B
- Hamel, T.-E. (Thomas-Etienne), 1830-1913
- Hamelin
- Hamelin, Lucien
- Hamer, Andrew J
- Hamer, D
- Hamer, David M.
- Hamer, M L
- Hamer, Matt
- Hamer, Michelle
- Hamer, Sarah Sharp Heaton, 1839-1927
- Hamer, T E
- Hamerlynck, Olivier
- Hamernick, Mark G.
- Hamerstrom, Frances, 1907-1998
- Hamerstrom, Frederick N., 1909-1990
- Hamerton, A E
- Hamerton, Philip Gilbert, 1834-1894
- Hames, B. D.
- Hames, W. S. (William Sanford), 1859-
- Hamet, Raymond, 1890-1972
- Hamid, Elizabeth.
- Hamid, Hannan
- Hamid, Hasmiandy
- Hamidy, Amir
- Hamilton Association for the Cultivation of Literature, Science and Art (Hamilton, Ont.)
- Hamilton Association for the Cultivation of Science, Literature and Art.
- Hamilton Association.
- Hamilton Association. Biological Section.
- Hamilton F. Gronen (Firm)
- Hamilton Nursery.
- Hamilton Scientific Association.
- Hamilton Seed and Coal Co.
- Hamilton, A
- Hamilton, A A
- Hamilton, A G
- Hamilton, A W
- Hamilton, A.
- Hamilton, A. (Augustus), 1853-1913
- Hamilton, Alexander Greenlaw
- Hamilton, Alexander, 1739-1802
- Hamilton, Andrew
- Hamilton, Andrew J
- Hamilton, Archibald.
- Hamilton, Arthur Andrew, 1855-1929
- Hamilton, Augustus.
- Hamilton, B
- Hamilton, Bruce
- Hamilton, C J
- Hamilton, C W
- Hamilton, Carole I.
- Hamilton, Carole K.
- Hamilton, Chas G.
- Hamilton, Chris
- Hamilton, Christine D
- Hamilton, Claud
- Hamilton, Clement W
- Hamilton, Clive
- Hamilton, Clyde C
- Hamilton, Clyde Carney.
- Hamilton, Croos Co.
- Hamilton, D
- Hamilton, D L
- Hamilton, D. Wiley (David Wiley), 1878-1935
- Hamilton, Dale Rey, 1942-
- Hamilton, David A.
- Hamilton, David A. (David Alexander), 1942-
- Hamilton, David A. (David Arthur), 1945-
- Hamilton, David P
- Hamilton, Douglas, 1818-1892
- Hamilton, Dr Edward
- Hamilton, Edward Seeley.
- Hamilton, Edward, 1815-1903
- Hamilton, Edwin L. (Edwin Lee), 1914-
- Hamilton, Elaine
- Hamilton, Elizabeth Emma Proby, Lady, 1821-1900
- Hamilton, Ernest
- Hamilton, Evelyn Hope, 1954-
- Hamilton, Francis
- Hamilton, Francis, 1762-1829
- Hamilton, Frederick Fitzroy.
- Hamilton, Fredericka
- Hamilton, G H
- Hamilton, G.
- Hamilton, George, D.
- Hamilton, Gertrude (Illustrator)
- Hamilton, Gertrude, active 19th century-