Heath Ledger died due to depression after playing Joker in The Dark Knight? Here's the real story – India TV

Why was Heath Ledger's Joker better than the one portrayed by Joaquin Phoenix? - Quora

What killed Heath Ledger? Documentary reveals chilling details

The Dark Knight Turns 10: How the Joker Took a Toll on Heath Ledger

Ten years after his death, Heath Ledger's Joker lives on

How did Heath Ledger die? – The Sun

The Dark Knight Rise (Limited Edition Bat Cowl Packaging) : Movies & TV

Tragic Story of Heath Ledger: How Did Heath Ledger Die After Playing Joker?

Christian Bale Really Hit Heath Ledger in The Dark Knight

What's the reason behind Heath Ledger's 'The Joker' death? Did it have anything to do with his role in Dark Knight? - Quora

This is a quote from Heath Ledger. I - Frank Somerville

What if Heath Ledger's Joker had been in The Dark Knight Rises? - Dexerto

In Pics: New York Loft Where Heath Ledger Died Sells For $14.25 Million

Inside Heath Ledger's tragic final days before being found dead at home aged 28 - Irish Mirror Online