- Pfister, Gabriela
- Pfister, Hermann
- Pfister, J
- Pfister, Lester,
- Pfister, Otto
- Pfister, Robert D.
- Pfister, Salomonis.
- Pfister, T
- Pfister, U
- Pfisterer, R
- Pfitzer, Ernst Hugo Heinrich, 1846-1906
- Pfitzner, G H
- Pfitzner, Gilbert
- Pfitzner, John C
- Pfitzner, R
- Pflam, Magnus
- Pflaum, M
- Pflaum, Magnus
- Pfleiderer, I.
- Pflieger, W L
- Pflieger, William L.
- Pfliegler, Walter P
- Pfliegler, Walter P.
- Pflueger, A
- Pflueger, Albert.
- Pflug, James
- Pfluger, D
- Pflüger, E. F. W. (Eduard Friedrich Wilhelm), 1829-1910
- Pflugfelder, O
- Pflugk, Albert von.
- Pflümer, Chr Fr
- Pfnorr, Johann Wilhelm Gottlieb, 1792-1869
- Pfosser, Martin
- Pfrender, Michael E.
- Pfuhl, E.
- Pfuhl, Ernst.
- Pfulb-Kastner, C. (Cecile)
- Pfund Nursery Co.
- Pfund, Paul.
- Pfunds' Nursery.
- Pfungst, Oskar.
- Pfützner, Julius
- Phaff, Herman.
- Phaka, Fortunate M.,
- Phalaraksh, Chitchol
- Phalen, William Clifton, 1877-
- Pham, Anh
- Pham, Anh Van
- Pham, Christopher
- Pham, Cuong The
- Pham, Dinh-Sac
- Pham, Duc Minh
- Pham, Dung
- Pham, Hoa Thi
- Phạm, Hoàng Hộ 1931-
- Pham, Hong-Dung
- Pham, Hong-Thai
- Pham, Huyen
- Pham, Huyen T. M.
- Pham, Mai Phuong
- Pham, Manh Hung
- Pham, Nam
- Pham, Nguyen-Duc Hoang
- Pham, Nhi Thi
- Pham, Phong
- Pham, T T T
- Pham, Thai
- Pham, Thai Hong
- Pham, Thi Ha Giang
- Pham, Thi-Phuong
- Pham, Thoa
- Pham, Thu
- Pham, Van Phu
- Pham, Van The
- Pham, Vien
- Pham-Quang, L
- Pham-Truffert, Myriam
- Phan, Ké̂ Lộc
- Phan, My
- Phan, Quoc Toan
- Phan, Sanh Cong
- Phan, Thi Yen
- Phan, Tien Quang
- Phan, Trung
- Phang, Guan-Jie
- Phang, S M
- Phang, V P E
- Phansalkar, Pushlar
- Phanuel, G J
- Phares, D. L., 1817-1892
- Phares, K O
- Phares, Robert E.
- Pharis, Robert Leslie,
- Pharmaceutical Society of Great Britain
- Pharmaceutical Society of Great Britain.
- Pharmaceutical Society of Victoria.
- Pharo, Emma
- Pharr Nurseries, Inc.
- Phasmid Study Group.
- Phasuk, J
- Phatak, S. C. (Sharad C.)
- Phattanarak, Chatayathon
- Phayre, Arthur
- Phayre, Arthur Purves
- Phearun, Sum
- Pheasey, Helen
- Phebe J. Marshall (Firm)
- Phelan, Chas.
- Phelan, Frank J. S.
- Phelan, John, 1879-
- Phelan, T F
- Phelan, Thomas
- Phelps & Reynolds.
- Phelps Venezuelan Expedition 1937-1938
- Phelps Venezuelan Expedition (1937-1938)
- Phelps, Amy
- Phelps, Anne
- Phelps, Charles E. (Charles Edward), 1833-1908
- Phelps, Charles Edward Davis, 1851-1911
- Phelps, Charles Shepherd.
- Phelps, E. W.
- Phelps, Earle Bernard, 1876-
- Phelps, F M
- Phelps, Frank M
- Phelps, H G
- Phelps, Harris K.
- Phelps, Joseph P
- Phelps, Kendra
- Phelps, Lincoln, Mrs., 1793-1884
- Phelps, Orra Almira Parker, 1867-1950
- Phelps, R A
- Phelps, Richard H. (Richard Harvey)
- Phelps, Richard Harvey.
- Phelps, Robert B. (Robert Bridger), 1930-
- Phelps, Robert J
- Phelps, S.
- Phelps, Tyler
- Phelps, William H. (William Henry), 1875-
- Phelps, William H., Jr., 1902-1988
- Phelps, William R.
- Phels, Charlie
- Phelsum, Murk van, 1732-1779
- Phelut, Régis
- Phélypeaux, Louis, compte de Pontchartrain, 1643-1727
- Pheng, Yik Choi
- Phengsi, Natthaporn
- Phenicie, Charles K.
- Phephu, Nonkululo
- Pheston, H B
- Phibbs, F D
- Phifer, Farest.
- Phil Lutz Peony Farms.
- Phil Rowin
- Phil Williams
- Phil. Stimmel (Firm)
- Philadelphia (Pa.) Allied Organizations.
- Philadelphia bird food company.
- Philadelphia Botanical Club.
- Philadelphia College Of Pharmacy
- Philadelphia College Of Pharmacy And Science
- Philadelphia milk show, 1911.
- Philadelphia Seed Co., Inc.
- Philadelphia Society for Promoting Agriculture.
- Philadelphia Sunday and Adult School Union.
- Philadelphia Zoological Garden.
- Philadelphia. Allied Organizations.
- Philadelphia. Chamber of commerce. Educational committee.
- Philadelphia. Commissioners of Fairmount park.
- Philadelphia. Corn Exchange National Bank.
- Philbeck, Robert B.,
- Philbert, M
- Philbey, A W
- Philbrick, C. Thomas
- Philbrick, Margarett J
- Philbrick, Ralph
- Philbrick, Ralph N
- Philbrick, Ralph N.
- Philbrick, Thomas
- Philbricks' Nursery.
- Philbrook, Augustus E.,
- Philcox, D
- Philemon, E
- Philibert, M H
- Philip II, King of Spain, 1527-1598
- Philip Andrews (Firm)
- Philip Bride (Firm)
- Philip Hamilton Mcmillan Memorial Publication Fund.
- Philip Montague,
- Philip O. Buch (Firm)
- Philip Williams & Associates.
- Philip, Alexander.
- Philip, Amelia
- Philip, Cornelius B. (Cornelius Becker), 1900-
- Philip, Cornelius B. (Cornelius Becker), 1900-1987
- Philip, Eric
- Philip, Eric G
- Philip, G Maxwell
- Philip, Graeme M
- Philip, Hugh
- Philip, K P
- Philip, K W
- Philip, Kenelm W
- Philip, L A U R E N T
- Philip, Priscilla
- Philip, Robert Kemp, 1819-1882
- Philip, Susamma,
- Philipeaux, J M
- Philipeaux, M J M
- Philipott, Alfred
- Philipp, G A
- Philipp, Hans
- Philipp, Kai M
- Philipp, Karl
- Philipp, Karl.
- Philipp, P. B.
- Philippar, Edmond V.
- Philippart, Catharina J. M.
- Philippe, Anne
- Philippe, Louis
- Philippe, Mentaz
- Philippe, R
- Philippe, Xavier
- Philippe, Xavier, 1802-1866
- Philippe, Y.
- Philippi, A
- Philippi, A H E
- Philippi, F H E
- Philippi, Federico
- Philippi, Federico,
- Philippi, Federico, 1838-1910
- Philippi, R A
- Philippi, Rodolfo Amando, 1808-1904
- Philippin, J. D.,
- Philippine Museum.
- Philippine Zoological Expedition (1946-1947)
- Philippines Expedition, 1909-
- Philippines. Bureau of Agriculture.
- Philippines. Bureau of Agriculture. Dept. of Public Instruction.
- Philippines. Bureau of Forestry.
- Philippines. Bureau of Government Laboratories.
- Philippines. Bureau of Science
- Philippines. Bureau of Science.
- Philippines. Department of Agriculture and Commerce.
- Philippines. Department of Science and Technology.
- Philippines. Dept. of Agriculture and Commerce.
- Philippines. Dept. of Science and Technology.
- Philippines. Exposition Board.
- Philippines. Inspección General de Montes de Filipinas.
- Philippines. Inspección General de Montes.
- Philippines. National Science and Technology Authority.