Cantonese teaching website

https://www.ilc.cuhk.edu.hk/chinese/can_eng/layout.html

教外國人廣東話

https://www.ied.edu.hk/cle2/cantonese_selfstudy/cheapter7.htm

Teaching Initial and final with sound

https://www.ilc.cuhk.edu.hk/chinese/canton_express/others/introduction.htm

有PDF

https://www.ilc.cuhk.edu.hk/Chinese/pthprog1/tm_courses.html

初級及中級

http://www.cantonese.sheik.co.uk/absbeginners.htm

very useful vocabularies (think about extending to sentences and dialogue)