U.S. Congressional bibliographies -
http://www.loc.gov/rr/ElectronicResources/full_description.php?MainID=1634

ULI development case studies - http://casestudies.uli.org/

Ulrich's international periodicals directory -
http://www.ulrichsweb.com/ulrichsweb/

UNBISnet - http://unbisnet.un.org/

University of Minnesota biocatalysis/biodegradation database -
http://umbbd.msi.umn.edu/

Urban forestry - http://forestry.lib.umn.edu/bib/urban.html

Victorian literary studies archives - http://victorian.lang.nagoya-u.ac.jp/ 

Virology & AIDS abstracts - http://www.csa.com/factsheets/virology-set-c.php

Visual history archive - http://www.vha.fu-berlin.de/