It's practically my bible.
3 seconds sound clip from the Dark Command (1940) movie soundboard.
You can hear this line at 00:36:02 in the Blu-ray version of the movie.
Quote context
[...]
- Saw your light on in the window.
- I'll be glad to help you if I can.
- Couple of points of law I'm not so sure of. You got a territorial code book handy?
- I hope you abide by it like a Christian does the good book.
- What do you want to know, marshal?
[...]