The Herbert Hoover Presidential Library Museum holds approximately 150 manuscript collections in addition to the papers of Herbert and Lou Henry Hoover. For the most part these document collections are composed of the personal papers of individuals who worked with Herbert Hoover during his long public life of fifty years. Guides to most of these collections, as well as to the papers of Herbert and Lou Henry Hoover, are available on-line in the Historical Materials section of this website.

You may search the folder titles of these on-line guides for key words and terms of interest to you. To conduct a search, please type in the specific word or term in the box below and then click the search button. the search engine will return a list of pages of the guides that contain the key word you typed in. Because the Library holds over 5,000 pages of guides, and there are tens of thousands of folders in these collections, it is important to be as specific as possible in your search.