For biographies just click on biographies and go to the BIODEX to see all surnames (or just type in surname).
For obituaries click on Death/Obituaries.
While you're there looking around PLEASE feel free to add your POLK COUNTY ancestors' information, such as births, deaths, bio's etc.so it can be shared with others.I am still in the process of adding Polk County information, so check back often!!!
GenExchange is dedicated to FREE online data!
If you prefer you can send your information to me and I will be happy to add it.