Those French 'brown bag' single LPs came from the local distributors of the United Artists label which also handled BN at the time (late 70s). Among the BN records they released were Lee Morgan 'Candy', Erroll Garner 'Overture to Dawn'', Tal Farlow "Early Tal'.
UA LPS included Duke's 'Money Jungle', Joe Pass 'For Django', Booker Little with Max Roach, Zoot and Al 'Jazz Alive', Warne Marsh 'Jazz of 2 Cities' Bill Perkins with Richie Kamuca, among others.