By sloomstudio at Envato Elements.
While this page focuses on elementary to high school librarians, much of it is also relevant to librarians outside of an academic context.
Also, a relevant resource that's not about books is Nourishing Minds, which describes itself as "a mental wellness program for teens and their libraries. Creative design challenges spark open, supportive conversations, helping teens and libraries explore and promote mental wellness together."
Librarians in a safe school and community
Librarians in a hostile school and community
Everything below should be read as being preceded by "If you can do so without getting fired or disciplined…"

