When searching in library catalogs for materials related to the history of rock'n'roll, there are a number of terms you can use that address different aspects of the broader subject. Using any one of the following in combination with other subject terms like "United States," "History and Criticism," "Bibliography," and "Discography" can usually yield good results:
African Americans - Music
African American musicians
Alternative rock music
Blues (Music)
Christian rock music
Country rock music
Disc jockeys
Disco music
Doo-wop (Music)
Drugs and popular music
Emo (Music)
Folk-rock music
Funk (Music)
Garage rock music
Guitar music (Rock)
Heavy metal (Music)
Hip-hop
Jazz-rock (Music)
Latin pop (Music)
Motion pictures and rock music
Music - Social aspects
Music - United States
Music trade
Musicians
Piano music (Rock)
Popular culture
Popular music
Progressive rock music
Psychedelic rock music
Punk rock music
Punk rock musicians
Rap (Music)
Rap musicians
Reggae music
Rhythm and blues music
Rock groups
Rock music
Rock videos
Rockabilly music
Singers
Soul music
Sound recording industry
Underground dance music
Women musicians
Women rock musicians
World beat (Music)