Feel free to add this torrent to any torrent site.
Krishna.org : Original Hare Krishna Philosophy
Where most of the Authorized Pre-1978 PDF Books came from and has the explanations of why each of the books are the authorized version of A. C. Bhaktivedanta Swami Prabhupada.
Prabhupadadavani.org : Srila Prabhupada's Lectures (Audio)
btg.iskcondesiretree.info : Back To Godhead - ISKON desire tree : PDF and HTML Versions of the Magazine
PrabhupadaBooks.com : Srila Prabhupada's Original pre-1978 Books Online : For those who don't have the bandwidth or connection speed to download the pre-1978 PDF files.
KrishnaPath.org : Krishna Path - Free Downloads of Transcendental Wisdom (English PDFs of Srila Prabhupada's Pre-1978 Books) - Good for those who want to download PDF files of the books but with slower Internet connection. Also includes Pre-1978 Vedabase Infobase Folio Software with font files for Win/Mac.
Google Drive with Srila Prabhupada Pre-1978 Books : Another place to download Srila Prabhupada Pre-1978 books if bandwidth on this server is not fast enough to one's liking during peak hours.
Krishna Search - Digital Library of Sri Chaitanya Saraswat Math
SCS Math -> Guardian of Devotion Books Zipped
SCS Math -> Dignity of the Divine Servitor (PDF)