His papers are held in the US Library of Congress.

The US Library of Congress service for the blind has also ordered a complete set.

No translation is listed by the US Library of Congress.

A print has been preserved in the US Library of Congress film archive.

His campaign web sites are preserved by the U.S. Library of Congress.

Summerell family history is documented and filed in the US Library of Congress.

This article incorporates material from the U.S. Library of Congress and is available to the general public.

Many of his papers are held by the U.S. Library of Congress.

In addition to film, the autobiography has been translated into seven languages and is a U.S. Library of Congress talking book.

The film survives in the U.S. Library of Congress with reel 2 missing.