The library and archives of the Missouri Historical Society holds a wealth of information on the Vasquez family. For starters, you may want to consult our online "Guide to the Archival Collections" to see a description of our Vasquez Family Papers: http://www.mohistory.org/content/LibraryAndResearch/Archives.aspx. Sincerely, Dennis Northcott Associate Archivist for Reference Missouri Historical Society (St. Louis)