Here are hyperlinks that will help you find books that might be useful for your topics:
The Encyclopedia of Popular Music
Oxford Music Online
Turn the Beat Around: The Secret History of Disco by 
Last Night a DJ Saved My Life
Pick up the Pieces: Excursions in Seventies Music by 
Love Saves the Day: : a history of American dance music culture, 1970-1979 by 
Life and Death on the New York Dance Floor, 1980-1983 by 
Hot Stuff: : disco and the remaking of American culture by 
The Pop, Rock, and Soul Reader
Disco Divas: women, gender, and popular culture in the 1970s
Disco, Punk, New Wave, Heavy Metal, and More: : music in the 1970s and 1980s
