A Guide to the SCP Foundation: Object Classes: The Box Tests VER.2 : r/SCP

Discover the Truth Behind the SCP Foundation — Acer Corner

SCP class logos Scp, Scp cb, Scp 049

SCP ACS Diagram (I saw another one somewhere on here, but it didn't have all the info I wanted, so I made a more accurate, but uglier version) : r/ SCP

New SCP Classifications? (The Anomaly Classification System Explained)

Keter Classification SCP Foundation Secure Contain Protect Sticker

D-class personnel, SCP Foundation Wikia

SCP Poster Remember: D-class Are Also People

What is the most dangerous class of SCP? - Quora

Keter Classification SCP Foundation Secure Contain' Women's Pique Polo Shirt

SCP foundation Class D Sticker for Sale by Jack O TV