Importers first aid in American tariff and customs procedure. This book, "Importers first aid in American tariff and customs procedure. Nos. 188-190", by George Koehler, is a replication of a book originally published before 1919. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.