Ágrip af náttúrusögu : handa alþýðu - Pál Jónsson, 1857 - (Frb. Steinsson, 1884)

The aims and methods of nature study : a guide for teachers - Rennie, John, 1865 -1928 (Warwick & York, 1910)

Alassio and its Flora - Nam, Vincenzo. (J. Ottino, 1892)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1936)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1863)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1867)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1868)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1874)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1909)

Alien flora of Britain - Dunn, S. T. (Stephen Troyte), 1868 -1938 (West, Newman, 1905)

Alien plants growing without cultivation in California - Robbins, Wilfred William, 1884 -1952 (California Agricultural Experiment Station, College of Agriculture, University of California, 1940)

All about country life : being a dictionary of rural avocations, and of knowledge necessary to the management of the farm, the stable, the stockyard, and a gentleman's out of town residence and property (Ward, Lock, and Tyler, 1890)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1895)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1897)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1901)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1903)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1905)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1907)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1908)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1912)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1913)

Allgemeine botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie etc - Kneucker, Johann Andreas, 1862 -1946 (J.J. Reiff, 1916)

Allgemeine deutsche naturhistorische Zeitung - Gesellschaft Isis in Dresden. (R. Kuntze, 1847)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1843)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1853)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1855)

Allgemeine naturgeschichte, als Philosophische und Humanitätswissenschaft für Naturforscher, Philosophen und das Hoher gebildete Publikum - Perty, Maximilian, 1804 -1884 (C. Fischer, 1838)

Allgemeine Pflanzenkaryologie - Tischler, Georg Friedrich Leopold, 1878 - (G. Borntraeger, 1921)

Allgemeines Polyglotten-Lexicon der Naturgeschichte mit erklaerenden Anmerkungen - Nemnich, Philipp Andreas, 1764 -1822 (Nemnich, 1793)

The Alumni journal - College of Pharmacy of the City of New York. Alumni Association. (Alumni Association of the College of Pharmacy of the City of New York, 1894)

American agriculturist, for the farm, garden and household (Orange Judd Co, 1865)

The American botanist and florist : including lessons in the structure, life, and growth of plants : together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the Americ by Alphonso Wood - Wood, Alphonso, 1810 -1881 (A. S. Barnes, 1877)

The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (A. S. Barnes, 1870)

The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (A. S. Barnes & Company, 1873)

The American botanist : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1907)

The American farmer's encyclopedia and dictionary of rural affairs : embracing all the most recent discoveries in agricultural chemistry - Emerson, G. (Gouverneur), 1796 -1874 (Carey and Hart, 1844)

The American farmer's encyclopedia : embracing all the recent discoveries in agricultural chemistry, and the use of mineral, vegetable and animal manures, with descriptions and figures of American insects, injurious to vegetation. Being a complete guide for the cultivation of every variety of garden and field crops. Illustrated by numerous engravings of grasses, grains, animals, implements, insects, etc - Emerson, G. (Gouverneur), 1796 -1874 (A.O. Moore, Agricultural Book Publisher, 1858)

The American farmer's encyclopedia; embracing all the recent discoveries in agricultural chemistry - Emerson, G. (Gouverneur), 1796 -1874 (A. O. Moore, 1858)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1898)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1915)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1917)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1918)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1922)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1897)

The American journal of science (J.D. & E.S. Dana, 1898)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1839)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1917)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1883)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1903)

American plants ... [Descriptions, bibliographical notes, synonymy, and other information, comp. from many sources] - Orcutt, Charles Russell, 1864 -1929 (1907)

American weeds and useful plants: being a second and illustrated edition of Agricultural botany ... - Darlington, William, 1782 -1863 (Orange Judd company, 1879)

American weeds and useful plants: being a second and illustrated edition of Agricultural botany - Darlington, William, 1782 -1863 (A.O. Moore & company, 1859)

Amos Eaton and John Torrey correspondence, 1816-1840 - Eaton, Amos, 1776 -1842 (1818)

Anales de historia natural (Imprenta Real por P.J. Pereyra, 1801)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1877)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1896)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1920)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1975)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1980)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1877)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1880)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1881)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1882)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1883)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1884)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1887)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1888)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1895)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1898)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1899)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1900)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1901)

Anales de la Universidad de Chile - Universidad de Chile. (1865)

Anales del Museo Nacional de Buenos Aires - Museo Nacional de Buenos Aires. (Impr. de Juan A. Alsina, 1895)

Anales del Museo Nacional de Chile - Museo Nacional de Chile. (el Museo, 1903)

Anales del Museo Nacional de Historia Natural de Buenos Aires - Museo Nacional de Historia Natural de Buenos Aires. (Impr. y Casa Editora "Juan A. Alsina", 1911)

Anales del Museo Nacional de Montevideo - Museo Nacional de Montevideo (El Museo, 1901)

Analytical class-book of botany : designed for academies and private students. In two parts: Part 1. Elements of vegetable structure and physiology - Green, Frances H. (Frances Harriet), 1805 -1878 (D. Appleton, 1856)

Analytical class-book of botany : designed for academies and private students - Green, Frances H. (Frances Harriet), 1805 -1878 (D. Appleton and Co, 1854)

Analytischer Pflanzenschlüssel für botanische Excursionen in der Umgegend von Leipzig - Petermann, Wilhelm Ludwig, 1806 -1855 (C. H. Reclam, 1846)

Anatomie et physiologie végétales à l'usage des étudiants en sciences naturelles des universités, des élèves à l'Institut agronomique, des écoles d'agriculture, etc - Belzung, Ernest, 1859 -1954 (F. Alcan, 1900)

Anfangsgründe der theoretischen und angewandten Naturgeschichte der Thiere - Stejneger, Leonhard, 1851 -1943 (in der Weidmannischen Buchhandlung, 1801)

Angewandte Pflanzenanatomie : ein Handbuch zur Studium des anatomischen Baues der in der Pharmacie, den Gewerben, der Landwirthschaft und dem Haushalte benutzten pflanzlichen Rohstoffe - Tschirch, A. (Alexander), 1856 -1939 (Urban & Schwarzenberg, 1889)

Die Angiospermen und die Gymnospermen - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1879)

Animal and vegetable physiology, considered with reference to natural theology - Roget, Peter Mark, 1779 -1869 (W. Pickering, 1834)

Animal and vegetable physiology, considered with reference to natural theology - Roget, Peter Mark, 1779 -1869 (Carey, Lea & Blanchard, 1836)

Animal and vegetable physiology, considered with reference to natural theology, by Peter Mark Roget - Roget, Peter Mark, 1779 -1869 (W. Pickering, 1834)

Animal and vegetable physiology considered with reference to natural theology - Roget, Peter Mark, 1779 -1869 (W. Pickering, 1840)

Animal and vegetable physiology considered with reference to natural theology - Roget, Peter Mark, 1779 -1869 (W. Pickering, 1834)

Anleitung zum Botanisieren und zur Anlegung von Pflanzensammlungen - Wünsche, Otto, 1839 -1905 (P. Parey, 1901)

Anleitung zur Kenntniss der natürlichen Familien der Phanerogamen : ein Leitfaden zum Gebrauch bei Vorlesungen und zum Studium der speciellen Botanik - Schmidt, Johann Anton, 1823 -1905 (Schweizerbart, 1865)

Annaes de sciencias naturaes : revista de historia natural, agricultura, piscicultura, e pescas maritimas - Nobre, Augusto, 1865 -1946 (Typ. Occidental, 1905)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1886)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1887)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1904)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1905)

Annales Academiae Rheno-Traiectinae - Academia Rheno-Traiectinae. (1831)

Annales botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus F. Hofmeister, 1848)

Annales de ... - Société des sciences naturelles de la Charente-Inférieure. (La Société, 1884)

Annales de ... - Société des sciences naturelles de la Charente-Inférieure. (La Société, 1888)

Annales de ... - Société des sciences naturelles de la Charente-Inférieure. (La Société, 1891)

Annales de l'Association des Naturalistes de Levallois-Perret - Association des naturalistes de Levallois-Perret. (1909)

Annales de la science agronomique française et étrangère - Institut des recherches agronomiques. Association des anciens lves. (Berger-Levrault, 1888)

Annales de la science agronomique française et étrangère - Institut des recherches agronomiques. Association des anciens lves. (Berger-Levrault, 1891)

Annales de la Société belge de microscopie - Société belge de microscopie. (H. Manceaux, 1875)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1873)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1876)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1878)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1879)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1880)