The Archives collection is now represented on the Vanderburgh County Clerk’s official website, located at http://evansville.in.gov/countyclerk
Information about accessibility of the facility, how to make a records request, internship and volunteer opportunities, and information about the collections held can all be found at this official site.
Of note to genealogists, the naturalization records held in the office from 1857-1929 are in the process of being indexed.
Basic information about naturalization records can be found under the Collections Held tab: http://evansville.in.gov/index.aspx?page=3462
There you can also find a downloadable and searchable .pdf of the naturalization records from 1857-1858.
Additional indexes will be added as they are completed.