"Chlorates." . . "Potassium compounds." . . . . . . . . "Potassium chlorate : Report of the United States Tariff Commission to the President of the United States. Investigation of the costs of production of potassium chlorate in the United States and in the principal competing foreign countries" . . . "Potassium chlorate Report of the United States Tariff Commission to the President of the United States. Investigation of the costs of production of potassium chlorate in the United States and in the principal competing foreign countries"@en . . . "Potassium chlorate : report of the United States Tariff Commission to the President of the United States : investigation of the costs of production of potassium chlorate in the United States and in the principal competing foreign countries : with appendix, proclamation by the President" . . . "Potassium chlorate : report of the United States Tariff Commission to the President of the United States"@en . . . . "Potassium chlorate." . .