Slide 4:
http://elt.thomson.com/namerica/en_us/technology/worldlink/index.html
https://myelt.heinle.com/ilrn/authentication/signIn.do?inst=MYELT
http://elt.thomson.com/cgi-telt/course_products_wp.pl?fid=M20H&product_isbn_issn=0838406610&discipline_number=301&from_series_id=1000000381&subject_code=
http://elt.heinle.com/cgi-telt/course_products_wp.pl?fid=M2b&discipline_number=301&product_isbn_issn=0838406610&from_series_id=1000000381&subject_code=&book=0 Video Workbook online Student Site Book
Slide 5:
D1A2 = E-572Q65FUK87ZR
S121 = E-5PDQ8ZGB7C7SP
D293 = E-4KXCUUNNRHAGJ
R213 = E-5JQ3WBRE5RTMG
K332 = E-5JQ3WBRE5RTMG
E411 = E-2596FQFFYVSSG