What was the first title these villians appeared?

[meegs654]

I recently got Batman 189, Scarecrows first Silver Age appearance, and now I want the rest of my favorite villians 1st appearance issues. They are

Poison Ivy
Joker
Two-Face
Mr. Freeze
Ra's Al Ghul
Cat Women
Penguin

Could you help me with my search?

[The Joker]

Poison Ivy = Batman #181

The Joker = Batman #1

Two-Face = Detective Comics #66

Mr. Freeze = Batman #121

Ra's Al Ghul = Batman #232

Catwoman = Batman #1

The Penguin = Detective Comics #58

Hope you got a good bit of coin. :D

Good luck.

[meegs654]

Thanks Joker, I am going to have to pick up some trades to get Batman #1, no way I can afford that right now.