The mineral industry of the British Empire and foreign countries. Statistics, 1920-1922. China clay.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1919-1921. Aluminum, including bauxite and cryolite.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1920-1922. Arsenic.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British empire and foreign countries. Statistics, 1919-1921. Diatomaceous earth.

At head of title: Imperial mineral resources bureau.

The mineral industry of the British empire and foreign countries. Statistics, 1919-1921. Coal, coke and by-products.

At head of title: Imperial mineral resources bureau.

The mineral industry of the British Empire and foreign countries. Diatomaceous earth.

Bibliography: p. 51-55.

The mineral industry of the British empire and foreign countries. Statistics, 1920-1922. Diatomaceous earth.

At head of title: Imperial mineral resources bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1920-1922. Cobalt.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1920-1922. Copper.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1920-1922. Aluminium, including bauxite and cryolite.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1919-1921. Petroleum and allied products.

At head of title: Imperial mineral resources bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1919-1921. Cobalt.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British Empire and foreign countries. Cadmium.

Bibliography: p. 19-23.

The mineral industry of the British Empire and foreign countries. Statistics, 1920-1922. Cadmium.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1919-1921. Cadmium.

At head of title: Imperial Mineral Resources Bureau.