BPH
Occasional paper, Provincial Museum of AlbertNatural history. Edmonton, Alta. No. 1+, 1976+. Occas. Pap. Prov. Mus. Alberta, Nat. Hist HI 69106
Occasional papers of the Rancho Santa Ana Botanical Garden. Claremont, CA. Vol. 1+, 1935+. Occas. Pap. Rancho Santa Ana Bot. Gard. ULS 4-3531-1. HI 57642
Occasional papers, Southern Forest Experiment Station. New Orleans, LA. Nos. 1-194, 1921-62. Occas. Pap. S. Forest Exp. Sta. Superseded by: Research papers S O, United States Forest Service. HI 69107
Occasional papers, San Diego Society of Natural History. San Diego, CA. Vol. 1+, 1936+. Occas. Pap. San Diego Soc. Nat. Hist. ULS 5-3771-3. HI 57643
Occasional paper series, Arboretum, University of Wisconsin. Madison, WI. No. 1+, 1955+. Occas. Pap. Ser. Arbor. Univ. Wisconsin. HI 79788
Occasional papers, Tropical Forest Experiment Station. Rio Piedras, PR. Nos. 1-2, 1942. Occas. Pap. Trop. Forest. Exp. Sta. HI 79989
Occasional papers, Tropical Science Center. San Jose, Costa Rica. No. 1+, 1963+. Occas. Pap. Trop. Sci. Center. HI 69108
Occasional papers, Tulane University Museum of Natural History. Belle Chasse. No. 1+, 1977+. Occas. Pap. Tulane Univ. Mus. Nat. Hist. HI 69109
Occasional papers, University of Hawaii. Honolulu, HI. Vols. 1-?, 1923-62. Occas. Pap. Univ. Hawaii. ULS 3-1821-1. HI 69110
Occasional papers, Warwickshire Trust for Nature Conservation. Birmingham. No. 1+, 1974+. Occas. Pap. Warwickshire Trust Nat. Conservation. HI 69111
Occasional publications, Australian Conservation Foundation. Melbourne, Vic. No. 1+, 1968+. Occas. Publ. Austral. Conservation Found. HI 69112
Occasional publications, Australian Institute of Agricultural Science. Sydney, N.S.W. No. ?-17+, ?-1984?+. Occas. Publ. Austral. Inst. Agric. Sci. HI 80404
Occasional publications, Australian National Botanic Gardens. Canberra, A.C.T. No. [1]+, 1980+. Occas. Publ. Austral. Natl. Bot. Gard. ULS reference. ISSN 0813-2585 HI 69113
Occasional publications, Freshwater Biological Associaton. Ambleside. No. 1+, 1976+. Occas. Publ. Freshwater Biol. Assoc. HI 69114
Occasional publications of the Hastings and St. Leonard's Natural History Society. Hastings. Vols. 1-5, 1907-11. Occas. Publ. Hastings St. Leonard's Nat. Hist. Soc. HI 69115
Occasional publications, Institute of Marine Science, University of Alaska. Fairbanks, AK. Vol. 1+, 1971+. Occas. Publ. Inst. Mar. Sci. Univ. Alaska. HI 69116
Occasional publication, Narragansett Marine Laboratory, Graduate School of Oceanography, University of Rhode Island. Kingston, RI. Vol. 1+, 1962+. Occas. Publ. Narragansett Mar. Lab. HI 57644
Occasional publications, Natural Environment Research Council. Lowestoft. 1970+. Occas. Publ. Nat. Environm. Res. Council. HI 69117
Occasional publications, Nigerian Society for Plant Protection. Ibadan. No. 1+, 1975+. Occas. Publ. Nigerian Soc. Pl. Protect. HI 69118
Occasional publications of the Royal Society of South Australia. Adelaide, S.A. No. 1+, 1976+. Occas. Publ. Roy Soc. South Australia. HI 80405
Occasional publications, Scottish Horticultural Research Institute. Invergowrie. No. ?-2+, ?-1977+. Occas. Publ. Scott. Hort. Res. Inst. HI 69119
Occasional reports, Monks Wood Experimental Station. Abbots Ripton. No. 1+, 1973+. Occas. Rep. Monks Wood Exp. Sta. HI 69120
Occasional studies, Ruislip Natural History Society. Ruislip. No. 1+, 1977+. Occas. Stud. Ruislip Nat. Hist. Soc. HI 69121
Occasional symposia, British Grassland Society. Hurley. 1964+. Occas. Symp. Brit. Grassland Soc. HI 68714
L'Occhio, giornale di scienze, amena letteratura e belle arti. Palermo. Vols. 1-7, 1839-45. Occhio. HI 84508