Yea! One to go
L = Library/librarian
1. The Music Man
2. Chances Are
3. The Philadelphia Story
4. Philadelphia
5. Regarding Henry
6. It's A Wonderful Life
7. The Shawshank Redemption
8. Fatal Attraction
9. Fahrenheit 451
10. The Librarian (2004), B-film, action adventure
11. Wilderness (1996), Amanda Ooms turns werewolf in a library
12. Harry Potter and the Sourcerer's Stone (2001), Hermione looks up sth in the library at Hogswart.
13. Birdman of Alcatraz (1962), prisoner loans many books from prison library.
14. The Ninth Gate (1999), rare book collector visits many private libraries.
15. The Return of the Unnamable (1993), heroes and police chase demon through university library.
16. The Name of the Rose (1986), mystery thriller in and around a medieval monastery library.
17. Hellbreeder (2004), heroine sees demon in city library.
18. The Time Machine (1960, 2000), hero visits age old library in the future.
19. Battlefield Earth (2000), hero is shown dilapidated library of Congress.
20. Primal Fear
21. IT (1990), one of the heroes is a librarian and a bloody scene plays out at the library.
22. The Breakfast Club (1985), the students have detention in the library.
23. Elephant (2003), school library is featured
24. Z.P.G. (Zero Population Growth, 1972), hero is interrogated by secret service when looking up info about pregnancy and childbirth at the library.
25. Dreamcatcher (2003), one of the protagonists possessed by an alien moves around his own mind which has the form of a library.
26. The Mummy (1999), the female lead is a librarian (at the Britsh Museum I believe).
27. LOTR, the Fellowship of the Ring (2001), Gandalf looks up information in the library/archive of Gondor.
28. Xing xing wang (The Great Peking Man, 1977)
29. You're a Big Boy Now
30. A Tree Grows in Brooklyn
31. The Paper Chase
32. Ghostbusters (brilliant opening scene)
33. Threesome (not porn but a early nineties film with one of the Baldwin brothers in it)
34. Storm Center (Doris Day was a librarian opposing censorship.)
35. Beauty and The Beast (if cartoons are allowed)
36. Cabaret (when Sally tells Brian she is pregnant)
37. Wings of Desire - several scenes in a library where the angels read over people's shoulders
38. City of Angels - a sort-of remake of Wings of Desire that uses the library again
39. Lost Souls (2000), Winona Ryder waits for Ben Chaplin in front of the City Library.
40. The Last Embrace (Roy Scheider discovers Janet Margolin's secret in the library of the university where she is a graduate student)
41. Marathon Man (Dustin Hoffman is also a graduate student who does research in the university library)
42. Seven (Morgan Freeman in the library)
43. Something Wicked This Way Comes
44. Stanley and Iris
45. Love Story
46. Shadow of a Doubt
47. Beaches
48. Logan's Run
49. The Pagemaster (children's movie about adventures at the local library)
The first person to make it no. 50 gets to choose "m". How about that?
(I thought of mountain climbing; masquerade party/ball; missionaries)