The descriptions of these separate collections contain links to pages that index the documents in that collection, thus providing another point of entry into the site. While helpful, it would have been nice to include these links on the front page of the site. What is on the front page instead is a link to a page describing staff favorites in each of the document categories. The final point of entry into the site is the search engine. The search engine allows a number of options to limit or expand one's search.
Key words can utilize Boolean operators, wild cards and truncation, and proximity limits.
In effect, the Library of Congress subject headings force a de-facto thematic organization of the site. Once in the database of approximately 30,000 documents, each primary source has three inter-connected options for the user. In addition to all of the relevant citation information, this page also contains a thumbnail of the scanned item. Below the thumbnail, the user can then click to the full size image. Once on the full-size image, users are presented with the option of downloading, the archival, high resolution TIFF image.