My first book was called ‘ living energies ‘  it’s mind blowing 🤯 
I’ve also lost hours and hours looking through his patents  and then going down the rabbit hole on things I liked - 
You can try the EU patents

https://www.epo.org/searching-for-patents/technical/espacenet.html

The ‘spit’ Google patents 

https://patents.google.com/

The US (where he was moved too after WW2) fascinating work on anti gravity stuff 

https://patft.uspto.gov/

That should keep you going for a while - this guy is another Tesla - but of water 🫂