BPH
Problemy Arktiki i Antarktiki. Leningrad (St. Petersburg). Vols. 1-67/68, 1959-94. Probl. Arktiki Antarktiki. ULS reference. ISSN 0555-2648 HI 83087
Problemy Arktiki. Leningrad. Nos. 1-6, 1937-59. Probl. Arktiki. Preceded by: Arctica. Leningrad and Byulleten' Arkticheskogo Instituta [not entered]. HI 54261
Problemy biokhimii v Michurinskoi biologii. Moscow & Leningrad. Vol. 1, 1949. Probl. Biokhim. Michurinskoi Biol. ULS 1-115-3. HI 69755
Problèmes biologiques; collection de monographies publiées sous le patronage du Comité Technique des Sciences Naturelles des Presses Universitaires de France. Paris. Vol. 1+, 1925+. Probl. Biol. ULS 4-3445-1. HI 58145
Problemy bioniki. Kharkov. Vol. 1+, 1968+. Probl. Bioniki. HI 75120
Problemy botaniki. Moscow & Leningrad. Vol. 1+, 1950+. Probl. Bot. HI 58146
Problems of desert development. New York. Vol. 1+, 1967+. Probl. Desert Developm. Translation of: Problemy osvoeniya pustyn'. Ashkhabad. HI 69752
Problemy evolyutsii. Novosibirsk. Vols. 1-4, 1968-75. Probl. Evol. HI 69756
Probleme de genetica teoretica si aplicata. Bucharest. Vol. 1+, 1969+. Probl. Genet. Teor. Apl. HI 69751
Problems of the North. Ottawa, Ont. Vols. 1-14, 1958-70. Probl. North. Translation of: Problemy severa. HI 69753
Problemy osvoeniya pustyn'. Ashkhabad. Vol. 1+, 1967+. Probl. Osvoeniya Pustyn'. HI 69757
Problemy paleontologii. Moscow. Vols. 1-5, 1936-39. Probl. Paleontol. ISSN 2308-0027 HI 85033
Problemy palinologii. Kiev. Vol. 1+, 1971+. Probl. Palin. HI 69758
Problemy severa. Moscow. 1958+. Probl. Severa. HI 82696
Problemy sovremennoi botaniki. Moscow, Leningrad. Vol. 1+, 1965+. Probl. Sovrem. Bot. HI 69759
Problems of virology. London, New York. Vols. 1-6, 1957-61. Probl. Virol. Translation of: Voprosy virusologii. Moscow. HI 69754
Proceedings and report of the Ashmolean Natural History Society of Oxfordshire. Oxford. (1908-56), 1909-57; (1971+), 1978+. Proc. & Rep. Ashmolean Nat. HIst. Soc. Oxfordshire. Preceded by: Report, Ashmolean Natural History Society of Oxfordshire. ULS 1-503-3. HI 66841
Proceedings and reports of the Belfast Natural History and Philosophical Society. Belfast. 1920+. Proc. & Rep. Belfast Nat. Hist. Soc. Preceded by: Report and proceedings of the Belfast Natural History and Philosophical Society. ULS 1-630-3. HI 69922
Proceedings and reports of the Belfast Naturalists' Field Club. Belfast. Ser. 2, vols. 8(5)-10, 1922-47. Proc. & Rep. Belfast Naturalists' Field Club. Preceded by: Report (Annual) and proceedings of the Belfast Naturalists' Field Club. HI 69923
Proceedings and transactions of the British Entomological and Natural History Society. London. Vols. 1-20, 1968-87. Proc. & Trans. Brit. Entomol. Nat. Hist. Soc. Preceded by: Proceedings and transactions of the South London Entomological and Natural History Society. London. Superseded by: British journal of entomology and natural history. London. ISSN 0525-5252 HI 69965
Proceedings and transactions of the Croydon Natural History and Scientific Society. Croydon. 1901-25, 1966-69. Proc. & Trans. Croydon Nat. Hist. Sci. Soc. Preceded by: Proceedings and transactions of the Croydon Microscopical and Natural History Club. Croydon ULS 2-1234-1. HI 58306
Proceedings and transactions of the Croydon Microscopical and Natural History Club. Croydon. Vols. ?-?, 1878-1901. Proc. & Trans. Croydon Nat. Hist. Soc. Preceded by: Report and abstracts of proceedings of the Croydon Microscopical Club. Croydon. Superseded by: Proceedings and transactions of the Croydon Natural History and Scientific Society. ULS 2-1234-1. HI 69966
Proceedings and transactions of the Liverpool Biological Society. Liverpool. Vols. 4-59, (1889/90-195?), 1889-1952/53. Proc. & Trans. Liverpool Biol. Soc. Preceded by: Proceedings of the Liverpool Biological Society. Liverpool. ULS 3-2447-2. HI 58307
Proceedings and transactions of the Natural History Society of Glasgow. Glasgow. N.s., vols. 1-4, (1883/86-92/96), 1887-97. Proc. & Trans. Nat. Hist. Soc. Glasgow. Preceded by: Proceedings of the Natural History Society of Glasgow. Glasgow. Superseded by: Transactions of the Natural History Society of Glasgow. Glasgow. ULS 4-2927-2. HI 69968
Proceedings and transactions of the Nova Scotian Institute of Science. Halifax, N.S. N.s., vols. 1(8)-7(14), (1890/94-1914/18), 189?-1919; vol. 15+, (1918/22+), 192?+. Proc. & Trans. Nova Scotian Inst. Sci. Preceded by: Proceedings and transactions, Nova Scotian Institute of Natural Science. Halifax, N.S. ULS 4-3112-1. HI 58308
