7 Seconds - official site - discography, sounds, forum
UpFront - official site - Connecticut old school discography, sounds, history
Gorilla Biscuits - unofficial site - disco, lyrics, history
Minor Threat - unofficial site - info, bio, discography, photos
Bane - official site - Boston old/new school - media, disco, photos, history
Comeback Kid - official site
With Honor - official site

Labels:

Bridge 9 Records - Carry On, American Nightmare, Champion, Slapshot
Blackout Records - Breakdown, Sheer Terror, H2O
Dischord Records - Teen Idles, Minor Threat, Dag Nasty
Equalvision Records - Floorpunch, Ten Yard Fight, The Hope Conspiracy
Indecision Records - Strife, Ensign, Time Flies
Jade Tree - Turning Point, Kid Dynamite, Strike Anywhere
Revelation Records - Youth Of Today, Bold, Gorilla Biscuits, In My Eyes
Smorgasbord Records - Up-Front, Wide Awake
Victory Records - Strife, Snapcase, Earth Crisis, Comeback Kid

Other stuff:

District Eleven - web zine w/ reviews, interviews, sounds
Flex Your Head - mp3s, interviews, reviews, photos
Hardcore Lyrics - old school
Hardcore Time - videos, interviews, reviews
How's Your Edge - interviews, pressing, 80's archive
Kill from the heart - archive page, hardcore early 80's bands
Old school hardcore - interviews, flyers, pressing info, 80's
Straight edge net - board, reviews, photos, mp3s, videos
Stop & Think - great zine with interviews and photos from 80's