Publication Date

January 1990


In the past, maps have been used only to illustrate texts or to buttress views gleaned from more traditional written sources. However, maps are primary sources and should be integrated with historical research from the outset. They should be viewed as true documents, not as secondary sources.



To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.