Injuries and accident causes in the manufacture of clay construction products
(1951)
Gems, gemstones, industrial diamonds, clays, fluorspar, talc and miscellaneous nonmetallic minerals and products theoref
(1968)
Earthen floor & wall tiles : a survey of the production and trade in earthen floor and wall tiles in the United States and in the principal producing countries, with special reference to factors essential to tariff considerations ; under the general provisions of section 332, title III, Part 2, Tariff Act of 1930
(1941)
