Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1881)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1882)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1900)

The tree book : a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday, Page & Co, 1907)

The tree book; a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Rogers, Julia Ellen, 1866 -1958 (Doubleday, 1920)

The tree book; a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Rogers, Julia Ellen, 1866 -1958 (Doubleday, 1920)

The tree book; a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Rogers, Julia Ellen, 1866 -1958 (Doubleday, Page & Co, 1905)