I have jumped into the wonderful world of strip cards. Below is a list of the sets I am working on (more or less). I probably have some others that I haven't found yet, but this is a start. If you are not sure of what the cards look like, you can go to the Non-Sport.com Collector's Resource website and search on the "R" number listed below.
R3 - Adventures of the Army, Navy, and Marines (1930s Leader Novelty Company 60)
HAVE - N6 N24
R12 - America at War (1942 W.S. Corp 48)
501-527 529 530 532 534 536 538 540 541
R13-1 - American G-Men (Horizontal) (1936 W.S. Corp 48)
101-121 123-129 131-134 136-148
R13-2 - American G-Men (Vertical) (1936 W.S. Corp 48)
702-706 709 712 714 715 717-719 721-723 725-731 738 741-748
R34 - Commando Ranger (1939 W.H. Brady 70)
1-44 46-70
R40 - Defending America (1941 W.S. Corp 48)
201-203 206 207 209 212 214 215 217 219 220 224 229 231 233-238 240 243 244 246-248
R54 - Foreign Legion (1939 W.S. Corp 48)
325-369 371 372
R58 - Generals and Their Flags (1939 W.S. Corp 24)
425 427 430-437 438 439 441-446 448
R67 - Heroes of the Sea (1939 W.S. Corp 24)
449 450 453-456 458 460-472
R99 - Nightmare of Warfare (1938 W.S. Corp 48)
904-907 911-913 915 917 918 920 923 924 926-930 932-942 945-948
R126 - Second World War (1939 W.S. Corp 48)
125-130 132-151 153-172
R128 - Series of 48: Western
3 4 6-9 11 12 14-23 26-38 40-46 48
R128 - Series of 48: Western
209 210 212 213 215-217 221-226 230 233-239 248
R129 - Series of 48: American History
300-306 308-311 314-321 323-333 336 339 341-344 346 347
R130 - Series of 48: Indians and West
301-317 319-342 344-348
R131 - Series of 48: Indians
801-814 816-819 821 823 825-834 837 838 841 844 845 847 848
R132 - Series of 48: Airplanes
301-303 305-315 317 335 337-348
R150 - Tim Marches On (48)
601 602 605 606 609 612-622 624-641 643-648
R168 - War Scenes (48)
118 119 124 147
R184 - Indian Chiefs - Type 1 (W.S. Corp 24)
101-105 107-117 119-124
R185 - Series of 48: Indian and Western (W.S. Corp)
49 50 52 53 55 57-64 66-68 70 72-74 76 77 80 82-88 90 93 95 96
W512 - Baseball-Aviators-Boxers-Movies Drawings (50?)
1-10 23 24 25 31-39 43-50
R3 - Adventures of the Army, Navy, and Marines (1930s Leader Novelty Company 60)
HAVE - N6 N24
R12 - America at War (1942 W.S. Corp 48)
501-527 529 530 532 534 536 538 540 541
R13-1 - American G-Men (Horizontal) (1936 W.S. Corp 48)
101-121 123-129 131-134 136-148
R13-2 - American G-Men (Vertical) (1936 W.S. Corp 48)
702-706 709 712 714 715 717-719 721-723 725-731 738 741-748
R34 - Commando Ranger (1939 W.H. Brady 70)
1-44 46-70
R40 - Defending America (1941 W.S. Corp 48)
201-203 206 207 209 212 214 215 217 219 220 224 229 231 233-238 240 243 244 246-248
R54 - Foreign Legion (1939 W.S. Corp 48)
325-369 371 372
R58 - Generals and Their Flags (1939 W.S. Corp 24)
425 427 430-437 438 439 441-446 448
R67 - Heroes of the Sea (1939 W.S. Corp 24)
449 450 453-456 458 460-472
R99 - Nightmare of Warfare (1938 W.S. Corp 48)
904-907 911-913 915 917 918 920 923 924 926-930 932-942 945-948
R126 - Second World War (1939 W.S. Corp 48)
125-130 132-151 153-172
R128 - Series of 48: Western
3 4 6-9 11 12 14-23 26-38 40-46 48
R128 - Series of 48: Western
209 210 212 213 215-217 221-226 230 233-239 248
R129 - Series of 48: American History
300-306 308-311 314-321 323-333 336 339 341-344 346 347
R130 - Series of 48: Indians and West
301-317 319-342 344-348
R131 - Series of 48: Indians
801-814 816-819 821 823 825-834 837 838 841 844 845 847 848
R132 - Series of 48: Airplanes
301-303 305-315 317 335 337-348
R150 - Tim Marches On (48)
601 602 605 606 609 612-622 624-641 643-648
R168 - War Scenes (48)
118 119 124 147
R184 - Indian Chiefs - Type 1 (W.S. Corp 24)
101-105 107-117 119-124
R185 - Series of 48: Indian and Western (W.S. Corp)
49 50 52 53 55 57-64 66-68 70 72-74 76 77 80 82-88 90 93 95 96
W512 - Baseball-Aviators-Boxers-Movies Drawings (50?)
1-10 23 24 25 31-39 43-50