Periodic Tables

The periodic tables of ...

Not Quite The Elements

Things Other Than Elements Which Are Systematised

Things Other Than Elements But Derivative Of Them Which Are Arranged In Relation To The Actual Elements

Things Other Than Elements Which Are Arranged In Imitation Of The Names Of The Actual Elements

Things Other Than Elements Which Are Arranged Without Any Apparent Logic

A better way to lay this list out would, obviously, be a periodic table. Also, ChemistryCoach: ALL PERIODIC TABLES, ALL THE TIME!

Honourable mention goes to Nottingham's Periodic Table of Videos.