I work in the field and I'm with aaronjg - this is ancient in the scheme of deep learning and very far from modern best practices. I honestly find it confusing when I see links like this hit the top of the page with such a strong number of upvotes. There is more modern and better run material now. Even if this is being referred to historically it should involve a timestamp.
For general introductory material in this style from Stanford, CS231n (fairly general but specialization in vision) and CS224d (specialization in DL for NLP) are great. The material for both of these are online for free and the video lectures (taken down due to legal challenges regarding accessibility) are available if you look hard enough ;)
If you're particularly after unsupervised deep learning, I'd recommend you do one or both of the above (or equivalent) and then read relevant recent papers.
