Rutgers Combined Linkage-Physical Map	http://compgen.rutgers.edu/RutgersMap/
NHGRI Catalog of Genome-wide Association Studies	http://www.genome.gov/gwastudies/
HuGE Navigator	http://www.hugenavigator.net/
NCBI	http://ncbi.nlm.nih.gov
NCBI MapView	http://www.ncbi.nlm.nih.gov/mapview/
UCSC Genome Browser	http://genome.ucsc.edu
ENSEMBL	http://www.ensembl.org
HapMap	http://www.hapmap.org
Genome Variation Server	http://gvs-p.gs.washington.edu/GVS/
SNPedia	http://www.snpedia.com