Ink blotter advertisement advertising the radio program, "The Shadow" and J. E Coombs, Bradford dealers of "Blue Coal."

Image of a receipt issued by William Campbell Coal Co. on June 3, 1919. At this time the business was being run by William’s daughter Elizabeth Florence “Libby” Campbell as William died in 1914.

Image of a bill issue to Bradford Bowling Club by William Campbell Coal Co. in 1919. At this time the business was being run by William’s daughter Elizabeth Florence “Libby” Campbell as William died in 1914.