I have added Inventories and Appraisements 1878-1888
Administrators Bonds and Letters 1878-1888
Guardians Bonds and Letters 1877-1894
Record of Wills 1878-1934
I have also added Relative Finder to my blogroll. I have a free account at Family Search and Relative Finder can be linked to your tree at Family Search. The census records are free to search at Family Search and your tree can be linked to others who share ancestors.
Mississippi flag; photo by Richard Threlkeld on Flickr (noncommercial use permitted with attribution / share alike).