More search options

Open Access Resources.

We are sorting your search results to highlight Open Access and other online resources. Some publishers are giving free access to online materials during the corona virus outbreak — find and access many of these resources through Discover. Read more on our blog....

Results 1 - 25 of 154324.

Cover image
Published
Berlin : Nauck'sche Buchhandlung.
periodical
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Published
Berlin : Verlag von Wiegandt & Hempel.
periodical
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Arber, E. A. Newell (Edward Alexander Newell), 1870-1918.
Published
London : Published for the Royal Society by Dulau & Co., 1904.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Published
Liége : [s.n.], 1873-1876.
periodical
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Darwin, Charles (1809-1882)
Published
London : John Murray, 1888.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Powell, William Stevens (1919- )
Published
Chapel Hill, N.C. : University of North Carolina Library, 1958.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Museo Nacional De Costa Rica.
Published
San Jose; Costa Rica
periodical
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Botanists of the twenty-first century : roles, challenges and opportunities / edited by Noeline R. Rakotoarisoa, Stephen Blackmore and Bernard Riera.
ISBN
  • 9789231001208
Published
Paris : UNESCO, 2016.
book
  • Printed resource
  • OA Open Access
Cover image
Teoria generale della fillotassi, [by] Federico Delpino.
Author
  • Delpino, Federico, 1833-1905.
Published
Genova, Coi tipi dello stabilemento Armanino, 1883.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Gazetteer of Indonesia : names approved by the United States Board on Geographic Names / prepared by William R. Garren, Boyd D. Peterson and Carl R. Page.
Author
  • United States Board on Geographic Names
Edition
3rd ed.
Published
Washington, DC : Defense Mapping Agency, 1982.
book
  • Microform
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Studies on the genus Pythium / by Velma Dare Matthews.
Author
  • Matthews, Velma Dare.
Published
Chapel Hill : The University of North Carolina press, 1931.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Versuch einer Geschichte der Pflanzenwelt / von F. Unger ; herausgegeben von der k. Academie der Wissenschaften.
Author
  • Unger, F. (Franz), 1800-1870.
Published
Wien : W. Braumüller, 1852.
book
  • Microform
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Urban, Ignaz, 1848-1931.
Published
Berlin, 1883.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Viviani, Domenico, 1772-1840.
Published
Genova, Tipografia e litografia Ponthenier, 1834.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Permanent Committee on Geographical Names for British Official Use.
Published
London : For the Permanent committee on geographical names by the Royal geographical society, 1921.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Travels in Brazil, in the years 1817-1820 : undertaken by command of His Majesty the King of Bavaria / by Dr. Joh. Bapt. von Spix and Dr. C.F. Phil. von Martius, knights of the Royal Bavarian Order of Civil Merit, and members of the Royal Academy of Sciences at Munich, &c. &c.
Author
  • Spix, Johann Baptist von, 1781-1826
Published
London : Printed for Longman, Hurst, Rees, Orme, Brown, and Green, 1824
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Stirpium Dalmaticarum specimen / auctore Roberto de Visiani M. D.
Author
  • Visiani, Roberto de (1801-1878).
Published
Patavii : Typis Crescinianis, 1826.
book
  • E-resource
  • Printed resource
  • OA Open Access

Export:

Selection Options