Presented are winning essays written by junior and senior high school students for the historical paper category of the 1982 National History Day program contest. This unique program encourages young people to explore a historical subject related to a specific theme. The winning papers, responding to the 1982 theme of trade and industry in history, deal with the topics of the salt industry; mills, with an emphasis on Soper's Mill in Story County, Iowa; child labor; mercantilism; a plank road built in Missouri and its effect on the surrounding area; and the history of a family-owned retail shoe store. A list of winners in other categories of the program contest, including group project, individual performance, group performance, and special awards, is included. Also provided are listings of the state coordinators, contributors to the program, and the Board of Trustees. (RM)