Hey, I'm a bit dissociated so I apologize if I don't sound warm...

I've experienced sibling abuse too and it sucks that you've these experiences. So often it's dismissed as "just sibling rivalry".

I've found these two books on the topic very validating:

https://www.amazon.com/Sibling-Abuse.../dp/0761910093

https://www.amazon.com/Sibling-Abuse.../dp/0789004917