Operator #5 by “Curtis Steele” (Popular)
1. V1 #1 Apr. 1934 The Masked Invasion Frederick C. Davis
2. V1 #2 May 1934 The Invisible Empire Frederick C. Davis
3. V1 #3 June 1934 The Yellow Scourge Frederick C. Davis
4. V1 #4 July 1934 The Melting Death Frederick C. Davis
5. V2 #1 Aug. 1934 Cavern of the Damned Frederick C. Davis
6. V2 #2 Sep. 1934 Master of Broken Men Frederick C. Davis
7. V2 #3 Oct. 1934 Invasion of the Dark Legions Frederick C. Davis
8. V2 #4 Nov. 1934 The Green Death Mists Frederick C. Davis
9. V3 #1 Dec. 1934 Legions of Starvation Frederick C. Davis
10. V3 #2 Jan. 1935 The Red Invader Frederick C. Davis
11. V3 #3 Feb. 1935 The League of War-Monsters Frederick C. Davis
12. V3 #4 Mar. 1935 The Army of the Dead Frederick C. Davis
13. V4 #1 Apr. 1935 March of the Flame Marauders Frederick C. Davis
14. V4 #2 May 1935 Blood Reign of the Dictator Frederick C. Davis
15. V4 #3 June 1935 Invasion of the Yellow Warlords Frederick C. Davis
16. V4 #4 July 1935 Legions of the Death Master Frederick C. Davis
17. V5 #1 Aug. 1935 Hosts of the Flaming Death Frederick C. Davis
18. V5 #2 Sep. 1935 Invasion of the Crimson Death Cult Frederick C. Davis
19. V5 #3 Oct. 1935 Attack of the Blizzard Men Frederick C. Davis
20. V5 #4 Nov. 1935 Scourge of the Invisible Death Frederick C. Davis
21. V6 #1 Dec. 1935 Raiders of the Red Death Emile C. Tepperman
22. V6 #2 Jan. 1936 War-Dogs of the Green Destroyer Emile C. Tepperman
23. V6 #3 Feb. 1936 Rockets From Hell Emile C. Tepperman
24. V6 #4 Mar. 1936 War Masters From the Orient Emile C. Tepperman
25. V7 #1 Apr. 1936 Crime’s Reign of Terror Emile C. Tepperman
26. V7 #2 June-July 1936 Death’s Ragged Army Emile C. Tepperman
27. V7 #3 Aug-Sep. 1936 Patriots’ Death Battalion Emile C. Tepperman
28. V7 #4 Oct-Nov. 1936 The Bloody Forty-Five Days Emile C. Tepperman
29. V8 #1 Dec. 1936 America’s Plague Battalions Emile C. Tepperman
30. V8 #2 Jan. 1937 Liberty’s Suicide Legions Emile C. Tepperman
31. V8 #3 Feb. 1937 Siege of The Thousand Patriots Emile C. Tepperman
32. V8 #4 Mar-Apr. 1937 Patriots’ Death March Emile C. Tepperman
33. V9 #1 May-June 1937 Revolt of the Lost Legions Emile C. Tepperman
34. V9 #2 July 1937 Drums of Destruction Emile C. Tepperman
35. V9 #3 Sep. 1937 The Army Without a Country Emile C. Tepperman
36. V9 #4 Nov. 1937 The Bloody Frontiers Emile C. Tepperman
37. V10 #1 Jan. 1938 The Coming of the Mongol Hordes Emile C. Tepperman
38. V10 #2 Mar. 1938 The Siege That Brought the Black Death Emile C. Tepperman
39. V10 #3 May 1938 Revolt of the Devil Men Emile C. Tepperman
40. V10 #4 July 1938 The Suicide Battalion Wayne Rogers
41. V11 #1 Sep. 1938 The Day of the Damned Wayne Rogers
42. V11 #2 Nov. 1938 The Dawn That Shook the World Wayne Rogers
43. V11 #3 Jan. 1939 When Hell Came to America Wayne Rogers
44. V11 #4 Mar. 1939 Invasion From the Sky Wayne Rogers
45. V12 #1 May 1939 Winged Hordes of the Yellow Vulture Wayne Rogers
46. V12 #2 July 1939 War Tanks of the Yellow Vulture Wayne Rogers
47. V12 #3 Sep. 1939 Corpse Cavalry of the Yellow Vulture Wayne Rogers
48. V12 #4 Nov. 1939 The Army From Underground Wayne Rogers
Unpublished:
49. V13 #1 Jan. 1940 Hell’s Lost Battalion Wayne Rogers