Presents instructional materials and suggestions for using primary source documents regarding Admiral Peary's search for the North Pole. Cache notes were brief dispatches left for the press in ice hutches along with provisions and maps. Includes a photocopy of a cache note from Peary's expedition with suggested research topics and activities. (MJP)

Describes a series of teaching activities to be used in conjunction with a reproduction of Joseph Glidden's patent for barbed wire fencing. These include document analysis, creative interpretation, and personal experience. Presents a brief history of the social and economic effects of the introduction of barbed wire to the West. (MJP)