Allama Parwez Saheb has had many books translated into English which incorporates much of what is in his lectures. You should be able to access them from the above link. Some are complete, others partial but they give you the genius of the man. A few examples:-
Expositon of Quran
(ISLAM: A CHALLENGE TO RELIGION
Muqaam-e-Hadith (The Actual Status of Hadith)
Kitab-ul-Taqdeer (Book of Destiny) (brilliant book destroying pre-destiny)
Quranic Laws (Qurani Qawaneen)
The smaller articles are excellent too.