Koenigsberg             Bridges of Koenigsberg from Euler's times
UKfaculty               Friendship network of a UK university faculty
USairports              US airport network, 2010 December
foodwebs                A collection of food webs
igraphdata-package      The igraphdata package
immuno                  Immunoglobulin interaction network
karate                  Zachary's karate club network
macaque                 Visuotactile brain areas and connections
yeast                   Yeast protein interaction network
