Grand Funk Railroad – On Time (1969, Reel-To-Reel) - Discogs

Grand Funk Railroad - Closer To Home, Releases

Grand Funk Railroad - Grand Funk, Releases

Grand Funk Railroad – On Time (1969, Jacksonville Pressing, Vinyl) - Discogs

Grand Funk Railroad – On Time (1969, Vinyl) - Discogs

Why was Grand Funk Railroad fodder for critics? - Quora

Grand Funk Railroad – Thirty Years Of Funk 1969-1999 The Anthology (1999, CD) - Discogs

Grand Funk Railroad – On Time (1969, Vinyl) - Discogs

Grand Funk Railroad – Mark, Don & Mel 1969-71 (1972, Auto-coupled, Vinyl) - Discogs

Grand Funk Railroad - Closer To Home, Releases

Grand Funk Railroad – Time Machine (1969, Vinyl) - Discogs