Berkeley and UC Press
Apparently a great many books from these two sources are available online. Some of them of may interest some St. Blog's parishioners. I have yet to discover a good means to knowing everything available, as there doesn't appear to be a central index. But here's a couple of titles that may evoke some comment:
Papal Patronage and the Music of St. Peter's 1380-1513
Stravinsky and The Rite of Spring.
Later: Found the link to a general index: