An unusual little chant book is available now on our site in PDF form for downloading.

"Cantus qui desiderantur in Rituale Romano" is at

http://media.musicasacra.com/pdf/1934-cantus-qui-desiderantur-in-rituali-romano.pdf

This book of "Chants called for in the Roman Ritual" contains chants for the following occasions:
1. For the baptism of adults
2. At the seven penitential psalms
3. For the blessing of pilgrims upon their departure
4. For the blessing of pilgrims upon their return
5. For the blessing of the first stone of a church
6. For the blessing of a new church
7. For the restoration of a violated church (the technical term is apparently "reconciliation")
8. At Confirmation
9. To ask a blessing on the eve of St. John the Baptist's Nativity
10. For the blessing of a house of scholars (I assume this would mean an academic building, not necessarily a residence)
11. For the blessing of a fishing boat
12. For the blessing of a fire engine
13. For the blessing of children
14. For the blessing of a bell for a church
15. For the blessing of a telegraph
16. For the blessing of a railroad (or tracks, I think it says)
17. For the blessing of machines to generate electric light (a power-generating facility?)
18. Rite for the erection of Stations of the Cross

Thanks to the thoughtful efforts of user JonathanKK for making this resource available.