by Royal Society of Arts (Great Britain)

1914

by Great Britain. Colonial Office

1946

by Royal Society of Arts (Great Britain)

1905

by Royal Colonial Institute (Great Britain)

1902

by Royal Colonial Institute (Great Britain)

1901

by Great Britain. Treasury

1915

by Great Britain. Parliament. House of Lords

1906

by Society of Chemical Industry (Great Britain)

1919

by Great Britain. Parliament. House of Commons

1901

by Great Britain. Board of Trade. Empire Cotton Growing Committee, GRANDE-BRETAGNE. Trade, Board

1920

by Great Britain. Dept. of Scientific and Industrial Research

1916

by Great Britain. Dept. of Scientific and Industrial Research

1916