53188485
9780366314546
Mason, William Ernest is the author of 'Pure Food Legislation : Speech of Hon. William E. Mason upon the Evils Arising from Adulterations in Food, Their Extent, and the Legislation Necessary to Prevent the Use in Food of Alum, Sulphuric Acid, Copper Salts, Zinc, and Other Poisonous Substances', published 2018 under ISBN 9780366314546 and ISBN 0366314548.
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