McGuinness, Tom; The Crossing (Colliery at Night); National Coal Mining Museum for England; http://www.artuk.org/artworks/the-crossing-colliery-at-night-22400
McGuinness, Tom; The Crossing (Colliery at Night); National Coal Mining Museum for England; http://www.artuk.org/artworks/the-crossing-colliery-at-night-22400