Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere - Rehder, Alfred, 1863 -1949 (Arnold Arboretum of Harvard Univ, 1949)

Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere - Rehder, Alfred, 1863 -1949 (Arnold Arboretum of Harvard Univ, 1949)

Compendium florae Germaniae Sectio I Plantae phanerogamicae seu vasculosae - Bluff, Matthias Joseph, 1805 -1837 (J.L. Schrag, 1836)

The cultivated evergreens; a handbook of the coniferous and most important broad-leaved evergreens planted for ornament in the United States and Canada - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1923)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1907)

Diagnosen der in Ungarn und Slavonien bisher beobachteten Gefässpflanzen welche in Koch's Synopsis nicht enthalten sind - Neilreich, August, 1803 -1871 (W. Braumüller, 1867)

Enumeratio plantarum Transsilvaniae : exhiben: stirpes phanerogamas sponte crescentes atque frequentius cultas, cryptogamas vasculares, charceas, etiam muscos hepaticasque - Schur, Philipp Johann Ferdinand, 1799 -1878 (Apud G. Braumhuller, 1866)

Enumeratio plantarum Transsilvaniae :exhibens: stirpes phanerogamas sponte crescentes atque frequentius cultas, cryptogamas vasculares, characeas, etiam muscos hepaticasque - Schur, Philipp Johann Ferdinand, 1799 -1878 (Sumptibus C. Graeser, 1885)

Flora of the U.S.S.R - Botanicheskiĭ institut (Akademii︠a︡ nauk SSSR) (Israel Program for Scientific Translations, 1967)

Hand-list of Coniferae : grown in the Royal botanic gardens - Royal Botanic Gardens, Kew. (Printed for H. M. Stationery off. by Darling & son, Ltd, 1903)

Hand-list of trees and shrubs, excluding Coniferae, grown in Arboretum - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1902)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2005)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2005)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2007)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2007)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2007)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2008)

Mitteilungen des Thüringischen Botanischen Vereins n. F - Thüringische Botanische Gesellschaft. (Im Selbstverlag des Vereins, 1910)

Nomenclator botanicus. Nominum ad finem anni 1858 publici juris factorum, classes, ordines, tribus, familias, divisiones, genera, subgenera vel sectiones designatium enumeratio alphabetica. Adjectis auctoribus, temporibus, locis systematicis, apud varios, notis literariis atque etymologicis et synonymis - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischeri, 1873)

Prodromul florei române; sau, Enumeratiunea plantelor pana asta-di cunoscute in Moldova si Valachia - Brândză, D. (Dimitrie), 1847 -1895 (Tip. Academiei Romane, 1879)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co.; [etc., etc.], 1916)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

Unsere Freiland-Laubgehölze; Anzucht, Pflege und Verwendung aller Bekannten in Mitteleuropa im freien kulturfähigen Laubgehölze - Schneider, Camillo, 1876 -1951 (Hölder-Pichler-Tempsky, 1922)

Unsere Freiland-Laubgehölze, Anzucht, Pflege und Verwendung aller bekannten in Mitteleuropa im freien kulturfähigen Laubgehölze, unter Mitwirkung von István Graf Ambrózy-Migazzi, Georg Arends, C. Heicke, Herm. A. Hesse, P. Kache, Wilhelm Kesselring, A. Purpus, Alfred, Rehder, Prof. Schwappach, Fritz Graf Schwerin, Hellmut Spaeth, Egbert Wolf und Franz Zeman. Hrsg. von Ernst Graf Silva Tarouca und Camillo Schneider - Schneider, Camillo, 1876 -1951 (Hölder-Pichler-Tempsky A.G.; [etc.], 1922)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1867)

Yearbook of the Heather Society - Heather Society (The Society, 1997)

Yearbook of the Heather Society - Heather Society (The Society, 1997)

Yearbook of the Heather Society - Heather Society (The Society, 1998)

Yearbook of the Heather Society - Heather Society (The Society, 2000)

Yearbook of the Heather Society - Heather Society (The Society, 2001)

Yearbook of the Heather Society - Heather Society (The Society, 2002)

Yearbook of the Heather Society - Heather Society (The Society, 2003)