URL
|
Titel
|
https://www.loc.gov/
|
Library of Congress
|
http://www.bl.uk/
|
British Library
|
http://www.lindahall.org/
|
Linda Hall Library
|
http://library.harvard.edu/
|
Harvard Library
|
http://libraries.mit.edu/
|
MIT Libraries
|
http://library.stanford.edu/
|
Stanford University Libraries
|
http://library.columbia.edu/
|
Columbia University Libraries
|
http://web.library.yale.edu/
|
Yale University Library
|
https://onesearch.library.utoronto.ca/
|
University of Toronto Libraries
|
http://www.ull.ac.uk/
|
Senate House Library (University of London)
|
http://www.lib.uwaterloo.ca/
|
University of Waterloo Library
|
http://www.library.ubc.ca/
|
UBC Library (University of British Columbia)
|
http://library.usask.ca/
|
University of Saskatchewan Library
|
http://www.lib.cam.ac.uk/
|
Cambridge University Library
|
http://www.mtu.edu/library/
|
Library-Michigan Technological University
|