http://www.lsadc.org/ http://web.mit.edu/lsa2005/courses/descriptions/228.html http://web.mit.edu/lsa2005/register/affiliate.html http://web.mit.edu/lsa2005/register/checkin.html http://whereis.mit.edu/map-jpg?mapterms=W20 http://web.mit.edu/lsa2005/inaround/handbook.pdf http://whereis.mit.edu/map-jpg?mapterms=10-250 http://whereis.mit.edu/map-jpg?mapterms=32-141 http://whereis.mit.edu/map-jpg?mapterms=34-101