University of Chicago Libraries:
http://libcat.uchicago.edu/ipac20/ipac.jsp?profile=ucpublic

Oxford University Libraries Information System:
http://www.lib.ox.ac.uk/olis/

Harvards University Libraries, Hollis Catalog:
http://lms01.harvard.edu/F/44DHNC17UY7HCCSU33LAXDB9M8NE58CP1D3SS56RGCRSJL3HNN-29421?

Yale University Libraries:
http://www.library.yale.edu/

University of Michigan Library:
http://www.lib.umich.edu/

Johns Hopkins University Libraries Catalog:
http://catalog.library.jhu.edu/