BPH
Österreichischer Gartenkalender. Vienna. 1948-50. Österr. Gartenkalend. HI 57781
Oesterreichische Monathsschrift. Prague & Vienna. (1793-94), 1793-94. Österr. Monathsschr. HI 78115
Österreichische Zeitschrift für Pilzkunde. Vienna. Vol. 2, 1938. Österr. Z. Pilzk. Preceded by: Mitteilungen der Österreichischen Mykologischen Gesellschaft. Vienna. Superseded by: Zeitschrift der Deutschen Mykologischen Gesellschaft. Vienna. ULS 4-3144-1. HI 57787
Österreichische Zeitschrift für Pilzkunde. [New series.] Vienna. No. 1+, 1992+. Österr. Z. Pilzk., N.S. ULS reference. ISSN 1021-2450 HI 82694
Österreichisch-Ungarischer Obstgarten. Vienna. Vols. 1-2, 1884-85. Österr.-Ung. Obstgarten. Preceded by: Obstgarten. Klosterneuburg (1879-83). HI 57786
Osteuropa Naturwissenschaft und Technik. Stuttgart. Vols. 13-15, 1969-71. Osteuropa Naturwiss. Techn. Preceded by: Osteuropa Naturwissenschaft. Stuttgart. HI 69252
Osteuropa Naturwissenschaft. Stuttgart. Vols. 1-12, 1957-68. Osteuropa, Naturwiss. Superseded by: Osteuropa Naturwissenschaft und Technik. Stuttgart. HI 69251
Ostmärkischer Pflanzenschutzkalender. Vienna. 1939. Ostmärk. Pflanzenschutzkalender. Preceded by: Pflanzenschutz-Kalender. Vienna. Superseded by: Pflanzenschutzkalender. Vienna. HI 57789
Ot ; sistematik botanik dergisi. Ankara. Vol. 1+, 1994+. Ot. ULS reference. ISSN 1300-2953 HI 76142
Otchet o deyatel'nosti Akademii Nauk S S S R. Moscow & Leningrad. 1923-34. Otchet Deyatel'n. Akad. Nauk S.S.S.R. ULS 1-113-2. HI 69253
Otchet o deyatel'nosti Astrakhanskoi Stantsii Zashchity Rastenii ot Vreditelei. Astrakhan. Vol. ?-14-?, ?-1923-24-? Otchet Deyatel'n. Astrakh. Stantsii Zashch. Rast. Vredit. HI 69254
Otchet o deyatel'nosti Gerbariya Tomskogo Gosudarstvennogo Universiteta. Tomsk. 1930-31. Otchet Deyatel'n. Gerb. Tomsk. Gosud. Univ. HI 69255
Otchet o děyatel’nosti Tiflisskago Botanicheskago Sada. Tiflis. 1910-13. Otchet Děyatel'n. Tiflissk. Bot. Sada. Supplement to: Trudy Tiflisskogo Botanicheskogo Sada. Tiflis. HI 69256
Otchet o deyatel'nosti Volzhskoi Biologicheskoi Stantsii. Saratov. 1903-19. Otchet Deyatel'n. Volzhsk. Biol. Stantsii. Preceded by: Otchet Volzhskoi Biologicheskoi Stantsii Saratovskogo Obshchestva Estestvoispytatelei i Lyubitelei Estestvoznaniya. HI 69257
Otchet o Prisuzhdenii Akademieyu Nauk. St. Petersburg. Vols. 1-56, 1857-1918. Otchet Prisuzhd. Akad. Nauk. Preceded by: Compte-rendu de l'Académie impériale des Sciences (de Saint Pétersbourg). ULS 1-113-2. HI 69258
Otchet o rabotakh Pochvenno-Botanicheskogo Otryada Kazakhstanskoi E=kspeditsii Akademii Nauk S S S R. Leningrad. Vols. 1-7, 1928-29. Otchet Rabotakh Pochv.-Bot. Otryada Kazakhstansk. Eksped. Akad. Nauk S.S.S.R. HI 69259
Otchet o sostoyanii i deyatel'nosti Glavnogo Botanicheskogo Sada R S F S R. Petrograd. 1922-23. Otchet Sost. Deyatel'n. Glavn. Bot. Sada R.S.F.S.R. HI 69260
Otchet Volzhskoi Biologicheskoi Stantsii Saratovskogo Obshchestva Estestvoispytatelei i Lyubitelei Estestvoznaniya. Saratov. 1902. Otchet Volzhsk. Biol. Stantsii Saratovsk. Obshch. Estestvoisp. Superseded by: Otchet o deyatel'nosti Volzhskoi Biologicheskoi Stantsii. HI 69261
Otchet o Zagranichnoi Komandirovke. Botanicheskii sad. Tiflis. 1912. Otchet Zagranichn. Komandir. HI 69262
Otchet Imperatorskoi S. Peterburgskoi Akademii Nauk o Prisuzhdenii Premii Uchrezhdenykh ... P. N. Demidovym. St. Petersburg. Vols. 1-5, 1832-36. Otchet. Imp. S. Peterburgsk. Akad. Nauk Prisuzhd. Premii Uchrezhd. Demidovym. Superseded by: Prisuzhdenie Uchrezhdennykh P. N. Demidovym Nagrad, (Obshchii Otchet o Prisuzhdenii Demidovskikh Nagrad). St. Petersburg. ULS 1-113-3. HI 78118
Otchety o deyatel'nosti Saratovskago Obshchestva Estestvoispytatelei. Saratov. 1901-14. Otchety Deyatel'n. Saratovsk. Obshch. Estestvoisp. HI 69263
Otdel’noe izdanie, Obshchestvo Izucheniya Man’chzhurskogo KraySer. A, Istoriko-etnograficheskyaya [etc.]. Harbin. Nos. 1-31, 1925-28. Otd. Izd. Obshch. Izuch. Man’chzhur. Kraya, A. ULS 4-3130-3. HI 52748
Ottar. Tromso. No. 1+, 1954+. Ottar. HI 69264
Ottawa Field-Naturalists' Club transactions. Ottawa, Ont. Nos. 1-7, 1879/80-87. Ottawa Field-Naturalists' Club Trans. Superseded by: Ottawa naturalist. Ottawa, Ont. ULS 4-3215-1. HI 69265
Ottawa naturalist; transactions of the Ottawa Field-Naturalists' Club. Ottawa, Ont. Vols. 1-32, 1887-1919. Ottawa Naturalist. Preceded by: Ottawa Field-Naturalists' Club transactions. Ottawa, Ont. Superseded by: Canadian field naturalist. Ottawa, Ont. ULS 2-907-1. HI 69266