Missouri has a great resource for death certs. For those post-1910, here's the link:http://www.sos.mo.gov/archives/resources/deathcertificates/
Be sure to search on SalinE (not SalinA). It appears Saline J Harris Saline J. Harris died June 04, 1933 in Jackson County. No info on mom, but it looks like her dad's name was "Hardin Johnston".
Do a search at the above URL and you can download a copy of the actual death cert.