Barium chloride : report on escape-clause investigation no. 68 under the provisions of section 7 of the Trade agreements extension act of 1951, as amended

Barite resources of the United States : a study of the production and use of ore, geochemistry and geology of the deposits, with consideration of mining and exploration, and estimates of reserves

Brobst, Donald A., (1958)

The barium minerals industry in Canada

Ross, J. S., (1960)

Barium and strontium in Canada

Spence, Hugh Swaine, (1922)