Note: Not all fake books or real books have the same format, most will have sheet music with chords marked, some also have lyrics, a few have tablature, they are sometimes also available in different keys and arrangements to suit different instruments.
For an excellent collection of fakebooks to buy, checkout www.sheetmusicplus.com, who have a selection of some 1200+ to chose from, they also have good search facilities AND include content indexes for their books.
Oh, Daddy Be Gay
Oh, dear! What can the matter be?
Oh, How I Love Jesus (O How I Love Jesus)
Oh, How I Miss You Tonight
Oh, Johnny oh
Oh, Johnny, oh
Oh, lady be good
Oh, Lady Be Good
Oh, Lady Be Good composed by George Gershwin, Ira Gershwin