BPH
Orchideeën; officieel orgaan der Nederlandsche Orchideeën Vereeniging. Dordrecht, Rijswijk, [etc.]? Vol. 1+, 1934+. Orchideeën. ULS 4-3190-3. HI 57745
Orchideen; Arbeitsmaterial für Fachgruppen und Interessengemeinschaften. Leipzig. Vols. 1-20, 1969-79. Orchideen. Superseded by: Orchideer. HI 69217
Orchideer. [Vedbaek.] Vol. 1+, 1980+. Orchideer. Preceded by: Orchideen. HI 69218
Orchidologia Zeylanica. Colombo. Vol. 1+, 1934+. Orchidol. Zeylanica. ULS 4-3190-3. HI 57746
L'Orchidophile; journal des amateurs d’orchidées. Argenteuil. Vols. 1-15, 1881-95. Orchidophile (Argenteuil). ULS4-3190-3. HI 57747
L'Orchidophile; journal des amateurs d’orchidées. Paris. No. 1+, 1970+. Orchidophile (Paris). HI 69219
Orchids; Orchid Council of New Zealand year book Ellerslie, N.Z. 1997+. Orchids (New Zealand). Preceded by: Orchids in New Zealand. New Plymouth, Mosgiel, N.Z. HI 83643
Orchids; the magazine of the American Orchid Society. West Palm Beach, FL. Vol. 65+, 1996+. Orchids (West Palm Beach). Preceded by: American Orchid Society bulletin. Cambridge, MA. ULS reference. ISSN 1087-1950 HI 81368
Orchids Australia. Highbury, S.A. Vol. ?-1(5)+, 198?-89+. Orchids Australia. HI 75952
Orchids in New Zealand. New Plymouth, Mosgiel, N.Z. Vols. 1-22, 1975-96. Orchids New Zealand. Superseded by: Orchid news. Mosgiel, N.Z. and Orchids. Ellerslie, N.Z. ULS reference. ISSN 0110-5256 HI 69221
Orchis; il meraviglioso mondo delle orchidee; Associazione Lombarda Amatori Orchidee. Varese. No. ?-92+, ?-1995+. Orchis (Varese). HI 76799
Orchis; Monatsschrift der Deutschen Gesellschaft für Orchideenkunde (vol. 3+ Mitteilungen des Orchideenausschusses des Vereins zur Beförderung des Gartenbaues). Berlin. 1906-41. Orchis. ULS 4-3190-3. HI 57748
Oréades. Belo Horizonte. Vol. 1+, 1970+. Oréades. HI 69222
Oregon agri-record. Salem, OR. Nos. 226-293, 1965-86. Oregon Agri-Rec. Preceded by: Agriculture bulletin, Department of Agriculture, Oregon. Salem, OR. Superseded by: Agriculture quarterly, Department of Agriculture, Oregon. Salem, OR. HI 79934
Oregon agriculture. Corvallis, OR. Vol. 1+, 1946+. Oregon Agric. HI 57749
Oregon flora newsletter. Corvallis, OR. Vol. 1+, 1995+. Oregon Fl. Newslett. ULS reference. ISSN none. HI 78491
Oregon naturalist; an illustrated monthly magazine designed for the farmer, the tourist and the naturalist. Eugene, OR. Vol. 1(1-7?), 1891. Oregon Naturalist. A reprint of vol. 7, 1891, of: West American scientist. San Diego, CA. HI 79348
Oregon Orchid Society bulletin. Portland, OR. Vol. 1+, 1947+. Oregon Orchid Soc. Bull. ULS 4-3199-2. HI 57756
Oregon ornamental and nursery digest. Corvallis, OR. Vol. 1+, 1957+. Oregon Ornam. Nursery Digest. HI 57757
Oregon State monographs. Studies in bacteriology. Corvallis, OR. Vol. 1+, 1959+. Oregon State Monogr., Bacteriol. HI 57758
Oregon State monographs. Studies in botany. Corvallis, OR. Vol. 1+, 1939+. Oregon State Monogr., Stud. Bot. Preceded by: University of Oregon publications. Plant biology series. Eugene, OR. ULS 4-3193-1. HI 57759
Oregon vegetable digest. Corvallis, OR. Vols. 1-34, 1952-82. Oregon Veg. Digest. HI 82316
Oregon's agricultural progress. Corvallis, OR. Vol. 1+, 1953+. Oregon's Agric. Progr. ULS reference. ISSN 0474-4721 HI 57761
Organic farmer. Emmaus, PA. Vols. 1-5, 1949-53. Org. Farmer. Superseded by: Organic gardening and farming. ULS 4-3201-1. HI 69224
Organic gardening. Emmaus, PA. Vols. 1-21, 1942-53; vol. 25(7)+, 1978+. Org. Gard. From 1954-78 replaced by: Organic gardening and farming. ULS reference. ISSN 0897-3792 HI 69225
