I've got the first bit--the stuff that's in pen--but then, it gets ... squirrelly.
"Oratio ad D. N. J. C. Crucifixum
“En ego, o bone et dulcissime Jesu, ante conspectum tuum genibus me provolvo….”
If you're curious, this is what a previous owner inscribed in the flyleaf of the copy of the Liber Usualis that ended up in my possession (after a jaunt through the hands of an amazon.com marketplace seller. I've owned it for ... um ... well, amazon says since March of 2001. It was printed in 1934.)