As part of my Year Resolution of keeping Pocket usable, I got to great content about management by @jadeforrest . In addition to following him, you might want to subscribe to his newsletter at https://rubick.com. Some examples: 
Coordination models: https://rubick.com/coordination-models/ I've seen many of those models in action, but having a comprehensive list is a great addition to your toolbox
For very hands-on info, there's a nice post about weekly rituals:
https://www.rubick.com/project-manager-weekly-rituals/
The clickbait-ish title is terrible, but this one is a good framework for defining boundaries of EMs and Tech Leads in organizations: https://www.rubick.com/engineering-manager-vs-tech-lead/
You might hear that titles don't matter. Although I share part of the arguments, I don't think that's totally true, and that usually comes from people at power positions. But titles come with downsides. This is great food for thought: https://www.rubick.com/everyone-lies-to-leaders/
In my upcoming monthly summary, I'll suggest more links by him, but I definitely recommend reading his page!