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↑ Free the People - Delaney & Bonnie | AllMusic - Song Review by Joe Viglione
↑ Barbara Keith - Barbara Keith (CD, Album) at Discogs
↑ Delaney & Bonnie And Friends* - Free The People / Soul Shake (Vinyl) at Discogs
↑ To Bonnie from Delaney - Delaney & Bonnie | AllMusic - Review by Matthew Greenwald
↑ Top 10 Duane Allman Studio Sessions - ultimateclassicrock.com - 2014年8月3日閲覧