Here is my list of the places where you can find Bette belting out the tunes. I am a little unsure of a few release dates, and know there are probably a few more albums on which Bette appears but here is the list so far.
Albums

1972: 'The Divine Miss M' (November 7th)
1973: 'Bette Midler' (November 16th)
1976: 'Songs For The New Depression' (January 8th)
1977: 'Live At Last' (June ??)
1977: 'Broken Blossom' (November 17th)
1979: 'Thighs and Whispers' (August 24th)
1980: 'The Rose' (February 15th) (soundtrack)
1980: 'Divine Madness' (November 3rd) (soundtrack)
1983: 'No Frills' (August 1st)
1985: 'Mud WILL Be Flung Tonight' (November ??)
1988: 'Beaches' (November 22nd) (soundtrack)
1990: 'Some People's Lives' (September 25th)
1991: 'For The Boys' (November 12) (soundtrack)
1993: 'Experience The Divine: Bette Midler's Greatest Hits (June ??)
1993: 'Gypsy' (November 9th) (soundtrack)
1995: 'Bette of Roses' (July 11th)
1998: 'Bathhouse Betty' (September 15th)
2000: 'Bette' (October 10th)
2003: 'Bette Midler Sings the Rosemary Clooney Songbook'(Sept 30)
2005: 'Bette Midler Sings the Peggy Lee Songbook'(Oct 5)


Bette's Voice in Other Places...

Soundtracks

"Home Alone 2" -'Somewhere in My Memory'
Disney's "Oliver and Company" - 'Perfect Isn't Easy'
Disney's "The Hunchback of Notre Dame" - 'God Help The Outcasts'
"The First Wives Club" - 'You Don't Own Me' (with Goldie Hawn and Diane Keaton)
"That Old Feeling" - 'Somewhere Along The Way'
"Sex and the City" - 'Love TKO'


Other Albums

'It's Gonna Take A Miracle' with the Manhatten Transfer on their album "Tonin'"

'Blueberry Pie' from 'In Harmony: A Sesame Street Record' and 'For Our Children'

'Sweet and Low' from 'Carnival! The Rainforrest Foundation Tribute.'

'Strike While It's Hot' with Dan Hicks and the Hot Licks on their album "Beatin' the Heat"

**any I've missed please mail me**