Connecting Presidential Collections: Catalog of Presidential Materials CPC Catalog > Category: William McKinley This is a collection-level index of presidential collections. It is being created with the intention of identifying collections that might be well-suited for inclusion in the Connecting Presidential Collections (CPC) site, presidentialcollections.org. For more information about the project, check out the CPC blog. Organizations (A-Z) Free Library of Philadelphia [ map ]Huntington Library, Art Collections, and Botanical Gardens [ map ]Knox College [ map ]Library of Congress [ map ]Lincoln Memorial University [ map ]National First Ladies’ Library [ map ]National McKinley Birthplace Memorial [ map ]Ohio Historical Society [ map ]Smithsonian—National Portrait Gallery [ map ]Southern Illinois University Carbondale, Morris Library [ map ]Stanford University [ map ]The American Presidency Project [ map ]University of Georgia Special Collections [ map ]University of Illinois at Urbana-Champaign [ map ]Vincent Voice Library (MSU) [ map ]White House Historical Association [ map ]William McKinley Presidential Library and Museum [ map ]Yale University [ map ]