[brianmcc]

I recommend "Managing Humans" by Michael Lopp aka "Rands".

https://randsinrepose.com/

It's a bit tongue in cheek rather than "management theory" but no less worthwhile for it.

[zweiasakura]

I agree on Rands In Repose. The articles helped me pivot my priorities from shipping code to helping my team ship code. Here's a gist of the articles i found the most helpful: https://gist.github.com/samarkamat/f19a4c4596550429eae1b95cb...