- Johnson County KSGenWeb - History and genealogy; a part of the USGenWeb Project and the KSGenWeb Internet Genealogical Society.
skyways.lib.ks.us/genweb/johnson/index.html
- Johnson County, Kansas - Provides local genealogical resources in Johnson County, Kansas.
history.cc.ukans.edu/~hersite/kcn-7/olathe/olathe.html
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