id	domain	url
cte-164	math.mit.edu	http://math.mit.edu
cte-164	math.mit.edu	http://math.mit.edu/people/directory_faculty.php)
cte-164	piazza.com	https://piazza.com/mit/fall2012/1801/home)
cte-164	stellar.mit.edu	https://stellar.mit.edu/courseguide/course/18/fa12/18.01/)
cte-164	math.mit.edu	http://math.mit.edu/classes/18.01/1801_supplementary%20notes.html)
cte-164	math.mit.edu	http://math.mit.edu
cte-164	ocw.mit.edu	http://ocw.mit.edu/courses/mathematics/18-01sc-singlevariable-calculus-fall-2010)
cte-164	math.mit.edu	http://math.mit.edu/services/help/available.html
cte-164	ocw.mit.edu	http://ocw.mit.edu/about
cte-164	student.mit.edu	http://student.mit.edu/catalog/index.cgi