I am trying to obtain all of Dio's catologue, and I need help making a list.
The following are releases that I know of....and the ones with

before it are ones that I own....so...I would appreciate any advice on where to get each one, if they are even still available.
Ronnie and the Red Caps--Single: "An Angel is Missing" and "What'd I Say" (1958 on Seneca)
Elf-Elf
Elf-Carolina County Ball
Elf-Trying to Burn the Sun

Rainbow-Ritchie Blackmore's Rainbow
Rainbow-Rising
Rainbow-On Stage
Rainbow-Long Live Rock N Roll
Kerry Livgren-Seeds of Change

Black Sabbath-Heaven and Hell

Black Sabbath-Dehumanizer
Black Sabbath-Mob Rules
Black Sabbath-Live Evil

Holy Diver

Last in Line

Sacred Heart
Intermission

Dream Evil

Lock Up the Wolves
Strange Highways
Angry Machines
Magica

Killing the Dragon

The Very Beast of Dio

Master of the Moon
Hear 'N' Aid-Stars
Queensryche-Operation Mindcrime II
Any releases I am missing, or that I REALLY need to get right now?