Some of the numbering is off on the maps, so here's a complete list (for my own future reference).

1. Mass Transit I
2. Forsaken Lands I
3. Mass Transit II
4. Forsaken Lands II
5. Deep Vistas I (not a SWM map, but is a 1-inch grid so could be adapted with terrain markings)
6. Deep Vistas II (not a SWM map, but is a 1-inch grid so could be adapted with terrain markings)
7. Deep Vistas III (not a SWM map, but is a 1-inch grid so could be adapted with terrain markings)
8. Mass Transit III (incorrectly labeled map #10 on the printed map and #11 on the deluxe box set)
9. Mass Transit IV (incorrectly labeled map #12 on the deluxe box set)
10. Deck Space (not a legal SWM map, but is a 1-inch grid)
11. Battle Stations I
12. Battle Stations II
13. Numenera Map Pack 1 (not a SWM map, but one side is a 1-inch grid)
14. Numenera Map Pack 2 (not a SWM map, but one side is a 1-inch grid)

15. Distant Outposts I
16. Distant Outposts II
17. Distant Outposts III
18. Distant Outposts IV

19. Deck Space II: Distant Starscapes (not a SWM map - gridless space-combat map)
20. Forsaken Lands III
21. Forsaken Lands IV
22. Battle Stations III
23. Battle Stations IV
24. Deck Space III: Desert Sands (not a legal SWM map, but is a 1-inch grid)
25. Deep Vistas IV: Fane of the Serpent Lord (not a legal SWM map, but is a 1-inch grid)
26. Deck Space IV: Dangerous Seas (not a legal SWM map)

27. Distant Frontiers I (space-based, 1-inch grid, but most maps in this series are too wide open or impassable left-to-right)
28. Distant Frontiers II (this series includes another level to the base from Distant Outposts)
29. Distant Frontiers III
30. Distant Frontiers IV

31. Halls of Legend I (not a SWM map, but has a 1-inch grid. Harry Potter castle.)
32. Halls of Legend II (not a SWM map, but has a 1-inch grid. Harry Potter castle.)
33. Halls of Legend III (not a SWM map, but has a 1-inch grid. Harry Potter castle.)
34. Halls of Legend IV (not a SWM map, but has a 1-inch grid. Harry Potter castle.)

35. Urban Wasteland (not a SWM map, but has a 1-inch grid. Modern.)
36. Feudal Seaport (not a SWM map)