Need a particular song or arrangement? Checkout www.sheetmusicplus.com, (opens new page) they have one of the largest selections of music books and sheet music available anywhere. Their site also has good search facilities to find what you want, AND include content indexes for most their music books.
Through a Long and Sleepless Night
Mack Gordon, Alfred Newman.
Through a Thousand Dreams
Through the Years
Throw Another Log on the Fire
Charles Tobias, Jack Scholl, Ted Murry (Murray Mencher)