The Harding Presidential Sites and the Ohio History Connection take great pride in managing the vast collection of Harding related documents and artifacts. This collection includes the nearly 5,000 objects that were once owned by the Harding Family and the Harding Presidential Papers. The artifacts and Harding Presidential Papers will return to Marion, Ohio when the Warren G. Harding Presidential Library and Museum is completed. With the new Harding Presidential Library, this wonderful collection of Harding materials will be more accessible to the public.
In addition to the collections of the Harding Presidential Sites and The Ohio History Connection, several Harding collections are maintained through the Library of Congress and the Smithsonian. On this page, you will find several digital databases that are maintained by these entities that contain Harding related materials that are searchable.

Ohio Memory is a collaborative program between the Ohio History Connection and the State Library of Ohio. This database includes digital content from over 390 cultural heritage institutions representing all 88 of Ohio’s counties covering a wide range of topics from prehistory to present day. Ohio Memory contains over 1,000,000 digital images from a variety of primary and secondary source image types, including: Photographs, maps, drawings and paintings Manuscripts, letters, diaries and journals Archaeological artifacts, natural history specimens and historical objects Newspapers, books and e-publications Audio and video Ohio memory contains pictures, newspapers, and other documents related to the Hardings from both before, during, and after the presidency. This website is keyword searchable.

State of Ohio Archives
The Ohio State Archives is a collection of documents from both local governments throughout the state and the state government. This collection contains documents relevant to Warren Harding's time in the Ohio Senate and during his time as Ohio's Lieutenant Governor.

Ohio History Connection Online Collections Catalog
The Online Collections Catalog is a digital database for all artifacts curated by the Ohio History Connection throughout the entire state. This searchable database contains the entire museum catalog for the Harding Presidential Sites.

The Warren G. Harding-Carrie Fulton Phillips Correspondence Collection
This collection, maintained by the Library of Congress, consists primarily of letters written by President Harding (1865-1923), before and during his tenure as a U.S. senator, to his paramour Carrie Fulton Phillips (1873-1960), wife of a Marion, Ohio, store owner. Also included are drafts and notes for correspondence written by Phillips during her approximately fifteen-year relationship with Harding, as well as a handful of other related items.