Abba (Unknown)

Berikut ini daftar album dan singles Abba yang tahun rilisnya tidak diketahui:Album: The VisitorsSingles: * Head Over Heels * I Let The Music Speak * Like An Angel Passing Through My Room * Slipping Through My Fingers * Soldiers * The Visitors * Two For The Price Of One * When All Is Said And DoneAlbum: The AlbumSingles: * Eagle * Hole In Your Soul * I Wonder (Departure) *