Official site: www.nycballet.com
Official school: www.sab.org
New York Choreographic Institute: www.nycballet.com/nyci/nyci_about.html
Saratoga Performing Arts Center, official summer home of the New York City Ballet: www.spac.org
Official site of the Balanchine Foundation: www.balanchine.org
Official site of the Jerome Robbins Trust and Foundation: www.jeromerobbins.org
Kate Snedeker's excellent chronicle of the SAB workshops:
http://www.sabworkshops.org/