Cover all the bases of Music Publishing
https://musiclibraryreport.com/ – resource to find Music Libaries
top sync libraries https://www.millennialmind.co/top-sync-licensing-music-libraries/
https://www.musicconnection.com/
And make sure to get verified on Google for your Artist Name:
Books to Read:
The Plain & Simple Guide to Music Publishing by Randall Wixen
All You Need To Know About The Music Business by Donald Passman
This Business of Music by William Krasilovsky & Sydney Shemel