How 'Glass' Connects to 'Unbreakable' and 'Split' - The Ringer
Glass' Is a Sequel to 'Unbreakable' and 'Split' — Here's What to Know
GLASS on Behance
How Unbreakable and Split are Connected with M. Night Shyamalan's Glass - Ed. Says - CATCHPLAY+|HD Streaming・Watch Movies and TV Series Online
Split | Unbreakable Wiki | Fandom
Unbreakable (film series) - Wikipedia
Does 'Glass' Live Up to 'Unbreakable' and 'Split'? – The Hollywood Reporter
Glass Movie Review – Livewire
Glass Movie: Every Connection in the Unbreakable, Split, Glass Trilogy - Thrillist
Unbreakable / Split / Glass & Old (4K/Blu-ray/DVD) NEW & FAST SHIP CHOOSE | eBay
Unbreakable Trilogy Watching Order - ComicBookWire
M. Night Shyamalan Reveals Major Characters Returning For Split/Unbreakable Sequel
Unbreakable & Split have a somewhat matching movie poster revolving around a broken glass (which happens to be the title for the sequel) : r/MovieDetails