Oesterreichische botanische Zeitschrift (A. Skofitz, 1911)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1913)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1916)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1920)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1851)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1852)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1853)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1854)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1855)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1856)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1857)

Öfversigt af Finlands och den Skandinaviska halföns Cicadariae - Sahlberg, John Reinhold, 1845 -1920 (T. Sederholmsboktryckeri, 1871)

Öfversigt af Finlands och den Skandinaviska halföns Cicadariae - Sahlberg, John Reinhold, 1845 -1920 ([T. Sederholmsboktryckeri, 1871)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1880)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1881)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1883)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1884)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1885)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1893)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1894)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1913)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1848)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1850)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1851)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1852)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1853)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1868)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1882)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1883)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1884)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1885)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1887)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1888)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1889)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1892)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1895)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1897)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1906)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1938)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1965)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1983)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1989)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1897)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1902)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1901)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1899)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1903)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1900)

Old Colony Nurseries Incorporated [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1914)

Old Colony Nurseries Incorporated [catalog] : 1840-1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1915)

Om Westeråstrakten i botaniskt afseende - Troilius, Adolf Magnus, 1838 -1909 (Tryckt hos E. Westrell, 1860)

On buds and stipules - Lubbock, John, Sir, 1834 -1913 (K. Paul, Trench, Trübner, 1899)

On buds and stipules - Lubbock, John, Sir, 1834 -1913 (K. Paul, Trench, Trübner & Co., ltd, 1899)

On the fauna and flora of the west of Scotland. Meeting at Glasgow, September, 1876 - British Association for the Advancement of Science. (Blackie, 1876)

On the popular names of British plants : being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (F. Norgate; [etc., etc.], 1879)

On the popular names of British plants, being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (Williams & Norgate, 1863)

On the popular names of British plants, being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (Williams and Norgate, 1870)

On the zoology of ancient Europe; a paper read before the Cambridge Philosophical Society, on Monday, 31st March, 1862 - Newton, Alfred, 1829 -1907 (Macmillan, 1862)

One-hundred and ninth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1910)

One-hundred-and-sixth annual catalogue of high-class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1907)

Onze flora. Beschrijving van de familiën, voornamste geslachten en soorten der in Nederland in het wild groeiende, verwilderde, verbouwde en aangeplante gewassen, alsmede van eenige fraaie en nuttige midden-europeesche planten - Hoffmann, Carl, 1802 -1883 (W.J. Thieme, 1900)

Opuscula philolichenum (J. Lendemer, 2014)

Opuscula philolichenum (J. Lendemer, 2018)

Opuscules de botanique - Clos, Dominique, 1821 -1908 (1859)

Orchard and garden (J.T. Lovett, 1889)

Orchis :Monatsschrift der Deutschen Gesellschaft für Orchideenkunde - Dammer, Udo. (1910)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1913)

The origin of the British flora - Reid, Clement, 1853 -1916 (Dulau, 1899)

L'origine et le développement des flores dans le massif central de France; avec aperçu sur les migrations des flores dans l'Europe sud-occidentale - Braun-Blanquet, J. (Josias), 1884 -1980 (L. Lhomme, 1923)

Ornamental and fruit trees, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Wragg & Sons Co, 1900)

Ornamental hardy plants of the better class : spring 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1906)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1908)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Ornamental shrubs for garden, lawn, and park planting, with an account of the origin, capabilities, and adaptations of the numerous species and varieties, native and foreign, and especially of the new and rare sorts, suited to cultivation in the United States - Davis, Lucius Daniel, 1826 - (Putnam, 1899)