United States Import Duties Annotated, with Classification for Countries (schedule C) and United States Customs Districts and Ports (schedule D) United States. Bureau of Customs Published: 1962 Total Pages: 732 Get eBook
United States Import Duties (1963) United States Tariff Commission Published: 1963 Total Pages: 420 Get eBook
Official Gazette of the United States Patent Office United States. Patent Office Published: 1959 Total Pages: 1572 Get eBook
Index of Patents Issued from the United States Patent and Trademark Office Published: 1927 Total Pages: Get eBook
