19 on Totter's Lane is Vincent and the Doctor.
Here's what I have so far for Gallifrey:
2. Ark In Space
3. Arc of Infinity
5. Wheel In Space
8. Poison Sky
9. Hungry Earth
11. Sound of Drums
18. 42
20. Great Intelligence
21. Cybermen
22. Omega
23. Hand of Omega
26. Army of Ghosts
29. Utopia
30. Prisoner Zero
32. Pyramids of Mars
34. Abominable Snowmen
35. Amy Pond
36. Captain Jack
37. Linx
42. Aliens of London
43. Kamelion
44. Adipose
46. Family of Blood
48. Headless Monks
49. Psychic Circus
That's half of them. Good luck finding the others!