History, Styles and Subgenres of Heavy Metal

A guide to Metal subgenres, how accurate is it? : r/MetalForTheMasses

Maximum Metal Timeline

The Complete Headbanging History Of Heavy Metal - Paperback Book - Round Flat Records

PDF) Considering genre in metal music

Globetrotting History of Metal – Carni Klirs

Slaves To Fashion, The History Of Heavy Metal (2021) – Flying Fiddlesticks Music Blog

If you hear a new song and don't know anything about it, how would you be able to tell if it is rock, metal, or heavy metal? And what kind? - Quora

The 'Big 4' Bands of 27 Rock + Metal Subgenres

Unveiling The Secrets: A Guide To Heavy Metal Band Logos – Pearls for Men

The History of HEAVY Metal. : r/coolguides