Links:
[1] http://www.worldcat.org/
[2] http://magellan.cc.sunysb.edu:4350/F/
[3] https://libproxy.cc.stonybrook.edu/login?url=http://newfirstsearch.oclc.org/dbname=lilcat;done=http://www.sunysb.edu/library/eresources/finder.html;FSIP
[4] http://alpha2.suffolk.lib.ny.us/screens/mainmenu.html
[5] http://www.alisweb.org/
[6] http://emmapac.emmaclark.org/
[7] http://mcpac.mcpl.lib.ny.us/search
[8] http://search.sunyconnect.suny.edu/
[9] http://apps.appl.cuny.edu:83/F/
[10] http://www.columbia.edu/cgi-bin/cul/resolve?AMS3996
[11] http://catalog.library.cornell.edu/
[12] http://www.library.fordham.edu
[13] http://catalog.nypl.org/
[14] http://nysl.nysed.gov/
[15] http://www.nyu.edu/library/bobst/cat.htm
[16] http://opac.lib.rpi.edu/
[17] http://summit.syr.edu/
[18] http://www.bnf.fr/pages/zNavigat/frame/catalog.htm
[19] http://www.bl.uk/reshelp/findhelprestype/catblhold/all/allcat.html
[20] http://catalog.crl.edu/
[21] http://catalog.loc.gov/
[22] https://libproxy.cc.stonybrook.edu/login?url=http://newfirstsearch.oclc.org/dbname=WorldCat;done=referer;FSIP
[23] http://www.ccfr.bnf.fr/
[24] http://copac.ac.uk/
[25] http://search.theeuropeanlibrary.org/portal/en/index.html
[26] http://www.ubka.uni-karlsruhe.de/hylib/virtueller_katalog.html
[27] http://www.libdex.com/
[28] http://www.lib-web.org
[29] http://en.wikipedia.org/wiki/List_of_national_and_state_libraries