[S3607] John Stephen Kostick (Miami, Fla.), "Kostick's Index of Names," internet family tree, The Kostick Family Tree (http://familytreemaker.genealogy.com/users/k/o/s/John-S-Kostick/index.html : accessed 5 July 2013), pp. 77, 339 for Gertie M. Walker and Austen Green. Name, birth, death, and spouse listed only. No sources cited.