I started restoring and subtitling these old documentaries etc with my teacher, and added some relevant info.
Di Guoyong 邸国勇 - A Master's History 师父的历史
Episode 01 - "Xingyi Quan Master Di Guoyong (2004) - Part 1 of 2"
https://www.youtube.com/watch?v=m_ZRMKNxCuo