Slightly updated:
Dynamic 12 is coming thanks to JVJ and RH, and Narf has given us Cannonball Comics #1 scans, so...
(1) Weird Comics #20 (Fox Publications)
(2) Banner Comics #4 and #5 (complete) (Ace Comics)
(3) Captain Courageous #6 (Ace Comics)
(4) The Eagle #1, and a complete #4 (Fox Publications) starring the Eagle and Buddy
(5) Captain Aero Comics #3 (Holyoke)
(5) Black Terror #1, #3, and #6 (plus issues that need completion) (Nedor)
(6) Dynamic Comics #2, #9-11 (Chesler)
(7) America's Best Comics #3-5, 7-9, 14-15, 25, 29 (Nedor)
(8 ) Daredevil Comics #3-6, 8, 11-12, 14-15 (Lev Gleason)
(9) Prize Comics; remaining issues (JVJ has a ton of them)
(10) Atoman #2 (Spark Publications)