His Grace Damaghosh Dasa discusses on Srila Prabhupada and the Ritvik system in ISKCON

Damaghosh Prabhu discusses on Srila Prabhupada and the Ritvik system, Part 1	Damaghosh Prabhu discusses on Srila Prabhupada and the Ritvik system, Part 2
Damaghosh Prabhu discusses on Srila Prabhupada and the Ritvik system, Part 3	Damaghosh Prabhu discusses on Srila Prabhupada and the Ritvik system, Part 4
Damaghosh Prabhu discusses on Srila Prabhupada and the Ritvik system, Part 5	Damaghosh Prabhu discusses on Srila Prabhupada and the Ritvik system, Part 6
Damaghosh Prabhu discusses on Srila Prabhupada and the Ritvik system, Part 7