BPH
Occasional papers in biology, Memorial University of Newfoundland. St. John's, Nfld. No. 1+, 1978+. Occas. Pap. Biol. Mem. Univ. Newfoundland. ULS reference. ISSN 0702-0007 HI 55176
Occasional papers, Biological Society of Nevada. Reno, NV. No. 1+, 1963+. Occas. Pap. Biol. Soc. Nevada. HI 57629
Occasional papers of the Boston Scientific Society. Boston, MA. Vols. 1-2, 1888-97. Occas. Pap. Boston Sci. Soc. ULS 1-752-1. HI 57630
Occasional papers of the Boston Society of Natural History. Boston, MA. Vols. 1-8, 1869-1941. Occas. Pap. Boston Soc. Nat. Hist. ULS 1-752-3. HI 57631
Occasional papers of the British Columbia Provincial Museum. Victoria, B.C. 1939+. Occas. Pap. British Columbia Prov. Mus. HI 69076
Occasional papers of the Buffalo Society of Natural Sciences. Buffalo, NY. No. 1+, 1976+. Occas. Pap. Buffalo Soc. nat. Sci. HI 51547
Occasional papers of the California Academy of Sciences. San Francisco, CA. Vols. 1-?, 1890-?? [publication suspended, 1906-21, 1932-39]. Occas. Pap. Calif. Acad. Sci. ULS 2-881-2. ISSN 0068-5461 HI 57632
Occasional papers, Caradoc and Severn Valley Field Club. Shrewsbury. Vol. ?-2+, ?-1978+. Occas. Pap. Caradoc Severn Valley Field Club. HI 69077
Occasional papers, Centre for North-West Regional Studies, University of Lancaster. Lancaster. No. 1+, 1976+. Occas. Pap. Centre N. W. Regional Stud. Univ. Lancaster. HI 69078
Occasional papers, Commission on Ecology. Gland. No. 1+, 1982+. Occas. Pap. Commiss Ecol. HI 69079
Occasional paper, Commonwealth Bureau of Horticulture and Plantation Crops. East Malling. 1949+. Occas. Pap. Commonw. Bur. Hort. Plantation Crops. Preceded by: Occasional paper, Imperial Bureau of Horticulture and Plantation Crops. East Malling. HI 80114
Occasional papers, Coryndon Memorial Museum. Nairobi. 1943-61. Occas. Pap. Coryndon Mem. Mus. Superseded by: Journal of the East Africa Natural History Society and Coryndon Museum. HI 69080
Occasional papers, Department of Biology, College of Puget Sound. Tacoma, WA. Nos. 1-16, 1939-55. Occas. Pap. Dept. Biol. Coll. Puget Sound. Superseded by: Occasional papers, Department of Biology, University of Puget Sound. HI 69081
Occasional papers, Department of Geography, University College, London. London. Vol. ?-31+, ?-1976+. Occas. Pap. Dept. Geogr. Univ. Coll. London. HI 69084
Occasional papers by the Division of Systematic Biology of Stanford University. Stanford, CA. Vol. 10+, 1966+. Occas. Pap. Div. Syst. Biol. Stanford Univ. Preceded by: Occasional papers of the Natural History Museum of Stanford University. Palo Alto, CA. HI 57633
Occasional papers in eastern botany. Knoxville, TN. No. 1+, 2002+. Occas. Pap. E. Bot. Supplement to Castanea. Morgantown, WV. ULS reference. ISSN 0008-7475 HI 83780
Occasional papers, England Field Unit, Nature Conservancy Council. Banbury. No. 1+, 1981+. Occas. Pap. England Field Unit Nat. Conservancy Council. HI 69085
Occasional papers, Fairchild Tropical Garden. Coconut Grove, FL. Nos. 8-19, 193?-50. Occas. Pap. Fairchild Trop. Gard. Preceded by: Florida plant immigrants: occasional papers. Coconut Grove, FL. ULS 2-1521-2. HI 57634
Occasional papers of the Farlow Herbarium of Cryptogamic Botany. Cambridge, MA. Vols. 1-19, 1969-87. Occas. Pap. Farlow Herb. Cryptog. Bot. Superseded by: Harvard papers in botany. ULS reference. ISSN 0090-8754 HI 69086
Occasional paper, Forestry Commission. Edinburgh. No. 1+, 1977+. Occas. Pap. Forestry Commiss. HI 81359
Occasional papers, Garden History Society. London. Nos. 1-2, 1969-70. Occas. Pap. Gard. Hist. Soc. HI 69087
Occasional papers of the Hull Scientific and Field Naturalists' Club. Hull. Vol. 1+, 1938+. Occas. Pap. Hull Sci. Club. ULS 3-1900-3. HI 57636
Occasional papers, Huron Mountain Wildlife Foundation. Marquette, MI. No. 1+, 1971+. Occas. Pap. Huron Mountain Wildlife Found. HI 69088
Occasional paper of the I U C N Species Survival Commission. Gland. No. ?-6+, ?-1990+. Occas. Pap. I. U. C. N. Spec. Survival Commiss. HI 80406
Occasional paper, Imperial Bureau of Horticulture and Plantation Crops. East Malling. Nos. 5-?, 1938-??. Occas. Pap. Imp. Bur. Hort. Plantation Crops. Preceded by: Occasional paper, Imperial Bureau of Fruit Production. East Malling. Superseded by: Occasional paper, Commonwealth Bureau of Horticulture and Plantation Crops. East Malling. HI 80095