Oesterreichische botanische Zeitschrift (A. Skofitz, 1900)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1902)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1903)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1905)

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

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

Offering of mature and seedling orchid plants and orchid seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clarence M. Kilian, 1948)

Om anordningarna för de fanerogama växternas befruktning - Axell, Severin, 1842 -1892 (I. Haeggströms boktr, 1869)

On the trail of vanishing birds - Allen, Robert Porter, 1905 -1963 (McGraw-Hill, 1957)

Only Holmes offers orchids like these - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Nurseries, 1954)

Onomatologia botanica completa : oder Vollständiges botanisches Wörterbuch ; worinn nicht nur alle Kunstwörter übersetzt und erklärt, die bekannte [sic] Pflanzen nach der Lehrart des Ritters von Linne beschrieben, ihre verschiedene Namen nach den berühmtesten Schriftstellern angeführt, und eine kleine Lebensgeschichte der vornehmsten Kräuterkundigen beygefügt, sondern auch die Heilskräfte und der Nutzen, den die Arzney-Wissenschaft, Landwirtschaft, Färberey, Vieharzney- und Scheidekunst aus denselben ziehen, aus den besten Schriften dieser Art und aus eigener Erfahrung erläutert werden von einer Gesellschaft erfahrner Pflanzenkundiger - Gmelin, Johann Friedrich, 1748 -1804 ([publisher not identified], 1778)

Theophrasti Eresii De historia plantarum libri decem, Graece : cum syllabo generum et specierum, glossario, et notis - Theophrastus. (S. Collingwood, 1813)

The Orchadian - Australasian Native Orchid Society (The Society, 1975)

The Orchadian - Australasian Native Orchid Society (The Society, 1963)

The Orchadian - Australasian Native Orchid Society (The Society, 1980)

The Orchadian - Australasian Native Orchid Society (The Society, 1981)

The Orchadian - Australasian Native Orchid Society (The Society, 1988)

The Orchadian - Australasian Native Orchid Society (The Society, 1989)

The Orchadian - Australasian Native Orchid Society (The Society, 1991)

The Orchadian - Australasian Native Orchid Society (The Society, 1992)

The Orchadian - Australasian Native Orchid Society (The Society, 1993)

The Orchadian - Australasian Native Orchid Society (The Society, 1998)

The Orchadian - Australasian Native Orchid Society (The Society, 1996)

The Orchadian - Australasian Native Orchid Society (The Society, 2002)

The Orchadian - Australasian Native Orchid Society (The Society, 2005)

The Orchadian - Australasian Native Orchid Society (The Society, 2006)

The Orchadian - Australasian Native Orchid Society (The Society, 2007)

The Orchadian - Australasian Native Orchid Society (The Society, 2008)

The Orchadian - Australasian Native Orchid Society (The Society, 2013)

The Orchadian - Australasian Native Orchid Society (The Society, 2016)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1882)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1883)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1884)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1885)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1886)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1887)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1888)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1893)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1897)

Orchid botanicals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fantastic Gardens, 1957)

The orchid-grower's manual, containing brief descriptions of upwards of eight hundred species and varieties of orchidaceous plants; together with notices of their times of flowering, and most approved modes of treatment ... By Benjamin Samuel Williams - Williams, Benjamin Samuel, 1822 -1890 (Victoria and Paradise nurseries, 1871)

The orchid-grower's manual, containing descriptions of the best species and varieties of orchidaceous plants in cultivation ... - Williams, Benjamin Samuel, 1822 -1890 (Victoria and Paradise nurseries, 1894)

The orchid-grower's manual : containing descriptions of the best species and varieties of orchidaceous plants - Williams, Benjamin Samuel, 1822 -1890 (Victoria and Paradise Nurseries, 1885)

The orchid-grower's manual, containing descriptions of upwards of nine hundred and thirty species and varieties of orchidaceous plants; together with notices of their times of flowering, and most approved modes of treatment ... By Benjamin Samuel Williams - Williams, Benjamin Samuel, 1822 -1890 (Victoria and Paradise Nurseries, 1877)

The orchid hybrids. Second supplement - Hansen, Geo. (George), 1863 -1908 (Geo. Hansen, 1897)

The orchid hybrids enumeration and classification of all hybrids of orchids published up to October 15, 1895 - Hansen, Geo. (George), 1863 -1908 (Dulau, 1895)