What date did the Smithsonian food workers protest ?
" Brother John Sellers " ( Vanguard Records , 1954 ) " Sings Blues and Folk Songs " ( Vanguard , 1954 ) " Baptist Shouts and Gospel Songs " ( Monitor Records / Smithsonian Folkways ) " Big Boat Up The River " ( Monitor Records / Smithsonian Folkways ) " Classic Protest Songs from Smithsonian Folkways " ( Smithsonian Folkways ) " Let Praise Arise " ( Integrity Music , 1984 )