Her doctoral dissertation was on contract subscriptions in Tebtunis papyri .
After being awarded her master 's degree , Husselman continued her studies in Coptic History and Greek papyrology and was awarded a PH. D. degree by the University of Michigan in 1932 .
Husselman 's doctoral dissertation was on contract subscriptions in Tebtunis papyri .
After being awarded her master 's degree , Husselman continued her studies in Coptic History and Greek papyrology and was awarded a PH. D. degree by the University of Michigan in 1932 .