McCormick Collection Index https://www.columbustexaslibrary.net/local-history-and-genealogy-material/archives-and-printed-material/mccormick-collection-index/mccormick-collection-index.html https://www.columbustexaslibrary.net/++resource++plone-logo.svg McCormick Collection Index http://library.columbustexas.net/history/McCormick_Collection.htm
