Revelation 2 - Letters to The Loveless, Persecuted, Compromising, & Corrupt Churches

https://www.biblegateway.com/passage/?search=Revelation%202&version=NIV

https://enduringword.com/bible-commentary/revelation-2/

http://www.bible-studys.org/Discoverrevelation.com/Revelation%20Chapter%202.html

https://www.biblestudytools.com/commentaries/matthew-henry-complete/revelation/2.html

Audio Source:
Faith Comes By Hearing KJV Audio Bible (Dramatized)
by: Faith Comes By Hearing
Publication date: 1997
Usage: Public Domain

Listen to more of their audio here:
https://archive.org/details/kjvaudiodramatized1/A01___01_Genesis_____ENGKJVO2DA.mp3