Tratado elemental de botánica : adaptado al estudio de la flora de la América equinoccial - Cuervo Márquez, Carlos, 1858 -1930 (Impr. Eléctrica, 1913)

Tratado elemental de zoología - Berg, Cárlos, 1843 -1902 (Dornaleche y Reyes, Editores, 1893)

Trattato ... delle lodi e della coltivazione degli ulivi. Nuova accuratissima ed., presa da quella del 1720, citata dagli Accademici della Crusea. Colle annotazioni [di] Giuseppe Bianchini di Prato e di Domenico M. Manni - Bianchini, Giuseppe Maria, 1683 -1749 (Nella stamperia di G.B. Stecchi, 1762)

A treatise on agriculture : comprising a concise history of its origin and progress, the present condition of the art, abroad and at home, and the theory and practice of husbandry, which have arisen out of the presnet state of philosphical attainments in Europe - Armstrong, John, 1758 -1843 (J. Buel, 1820)

A treatise on agriculture, comprising a concise history of its origin and progress; the present condition of the art abroad and at home, and the theory and practice of husbandry. To which is added, a dissertation on the kitchen and fruit garden - Armstrong, John, 1758 -1843 (Harper & Brothers, 1864)

A treatise on agriculture; comprising a concise history of its origin and progress; the present condition of the art abroad and at home, and the theory and practice of husbandry. To which is added, a dissertation on the kitchen and fruit garden - Armstrong, John, 1758 -1843 (Harper & Brothers, 1839)

A treatise on comparative embryology - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan, 1880)

Die Tympanalgegend des Säugetierschädels / von P.N. van Kampen - Kampen, Pieter Nicolaas van, 1878 -1937 (W. Engelmann, 1905)

Über Vorversuche zu untersuchungen über die Vareitätenbildung von Helix hortensis Müller und Helix nemoralis L - Lang, Arnold, 1855 -1914 (G. Fischer, 1904)

The Uganda protectorate; an attempt to give some description of the physical geography, botany, zoology, anthropology, languages and history of the territories under British protection in East Central Africa, between the Congo Free State and the Rift Valley and between the first degree of south latitude and the fifth degree of north latitude - Johnston, Harry, 1858 -1927 (Hutchinson & Co, 1902)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1846)

An universal system of natural history : including the natural history of man - Linné, Carl von, 1707 -1778 (Printed for the Proprietor : sold by Champante and Whitrow [etc.], 1794)

University of Illinois weed control research report - University of Illinois at Urbana-Champaign. Dept. of Agronomy. (Dept. of Agronomy, University of Illinois at Urbana-Champaign, 1992)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1888)

Unknown Mongolia : a record of travel and exploration in north-west Mongolia and Dzungaria - Carruthers, Alexander Douglas Mitchell, 1882 -1962 (Hutchinson, 1914)

Untersuchungen über die Fauna Peruana - Humboldt, Alexander von, 1769 -1859 (Scheitlin und Zollikofer, 1844)

Untersuchungen über die fossilen und subfossilen Cetaceen Europa's - Brandt, Johann-Friedrich, 1802 -1879 (1873)

Untersuchungen zur vergleichenden Muskellehre der Wirbeltiere; die musculi serrati postici der Säugetiere und ihre Phylogenese. Mit 4 Tafeln und 28 Figuren im Text - Maurer, Friedrich, 1875 - (G. Fischer, 1905)

La vana speculazione disingannata dal senso : lettera risponsiua circa i corpi marini, che petrificati si trouano in varij luoghi terrestri / di Agostino Scilla ... - Colicchia, Andrea, 17th cent - (Apresso Andrea Colicchia, 1670)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (John Murray, 1868)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton and company, 1883)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1894)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (Appleton, 1897)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton and company, 1896)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (J. Murray, 1905)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton, 1897)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (Orange Judd & Co, 1868)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (J. Murray, 1888)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (D. Appleton, 1887)

The variation of animals and plants under domestication - Darwin, Charles, 1809 -1882 (J. Murray, 1885)

Vegetation management in the Ozark/Ouachita Mountains - United States. Forest Service. Southern Region. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1989)

La venerie de Jacques du Fouilloux, gentil-homme, seigneur dudit lieu, pays de Gastine, en Poitou; ... avec plusieurs receptes et remedes pour guerir les chiens de diverses maladies; plus, l'Adolescence de l'autheur - Fouilloux, Jacques du, 1521? -1580 (de Marness, et Bouchetz, freres, 1562)

Vergleichende Anatomie der Wirbelthiere : mit Berücksichtigung der Wirbellosen - Gegenbaur, C. (Carl), 1826 -1903 (W. Engelmann, 1898)

Vergleichende Anatomie der Wirbelthiere : mit Berücksichtigung der Wirbellosen - Gegenbaur, C. (Carl), 1826 -1903 (W. Engelmann, 1901)

Vergleichende Anatomie der Wirbelthiere mit Berücksichtigung der Wirbellosen - Gegenbaur, C. (Carl), 1826 -1903 (Engelmann, 1898)

Vergleichende Anatomie des menschlichen Gebisses und der Zähne der Vertebraten - Terra, Paul de. (G. Fischer, 1911)

Verhandelingen over de natuurlijke geschiedenis der Nederlandsche Overzeesche Bezittingen - Schlegel, H. (Hermann), 1804 -1884 (in commissie bij S. en J. Luchtmans en C.C. van der Hoek, 1839)

Verhandelingen over de natuurlijke geschiedenis der Nederlandsche overzeesche bezittingen - Schlegel, H. (Hermann), 1804 -1884 (In commissie bij. S. en J. Luchtmans en C.C. van der Hoek, 1839)

Verhandlungen - Naturhistorischer Verein der Preussischen Rheinlande und Westfalens. (1844)