Blackhawk Comic Home Page - good info on Bh creators and post-war comics. Highly recommended.
Boy Commandos Comic Book Cover Gallery
Donna Barr - contemporary creator whose work (Desert Peach and Stinz) offer fantastic stories set in the WW2 era.
A Guide to Marvel's Pre-FF #1 Heroes
I Am Old Glory - brief, patriotic Sam Glanzman story on the flag (presumably from Charlton).
Old Time Radio: Captain Midnight
Our Fighting Forces - John Wells' history of DC war characters.
The Quarter Bin Commentary: War Comics
The Rock of Easy - John Wells' biography of Sgt. Rock.
The Unofficial Index to Sgt. Fury & His Howling Commandos
Sgt.Fury Site - cover gallery
The Unkown Soldier Fact File - includes biography and chronology.
Vault of Heroes: Black Venus Pin-Up Gallery
Wings Comics Cover Gallery (Fiction House Publications)
War Heroes by Michael Hutchison - good article from Fanzing on Sgt. Rock, Haunted Tank, & Gravedigger.
Western
All-Star Western & Western Comics - detailed reviews of a selection of DC titles.
Cowboy Comic Books - neat history of several cowboy titles, sadly focussing only on media adaptions.
Ghost Rider Comic Book Cover Gallery
A Guide to Marvel's Pre-FF #1 Heroes
Old Comics for You - reprints National Lampoon comics and Western comics.
The Quarter Bin Commentary: Western Comics
Rangers Comics Cover Gallery (Fiction House Publications)
The Vigilante - detailed home page and bio. Recommended. warning: page opens with.midi files.
Western Comics Page - articles on Blueberry, Buddy Longway, Comanche, Durango.
Romance
Archive of Golden Age Romance Comics - fair amount of info, and some complete stories.
Ramon Schenk: Love is in the Air
Millie (the Model) and Friends (Cover Gallery)
Misty Comic - reprints adventures of gothic British girls' title.
Nurses in the Comics - 40's - 70's; main page has links for juvenile series books and mysteries
The Quarter Bin Commentary: Romance Comics
Truer Than True Romance - sample page for Jeanne Martinet's amusing book on DC romance titles.
Page background from The Comic-Book Book