Excluding honorary and one-issue members, here is a list of all of the members of the Avengers in issues published from 1970 to 1985:
Beast, Black Knight, Black Panther, Black Widow, Captain America, Captain Marvel, Falcon, Goliath (Clint Barton), Hawkeye (Clint Barton), Hercules, Iron Man, Quicksilver, Scarlet Witch, She-Hulk, Sub-Mariner, Starfox, Thor, Tigra, Two-Gun Kid, Vision, Wasp, Wonder Man, Yellowjacket
Superhero RPG Musings 