Other works with this as their source
Array ( [_edit_lock] => Array ( [0] => 1556980513:1 ) [_edit_last] => Array ( [0] => 1 ) [www] => Array ( [0] => https://imslp.org/wiki/Cowboy_Songs_and_other_Frontier_Ballads_(Lomax,_John_Avery)|Download book on IMSLP ) )