"Although many books have been published about various aspects of Baghdadi Jewry and its rich heritage, none contain a systematically-researched list of surnames."
Kadhimi pledged to rein in Iranian-backed militias, but recent events highlight the difficulty of remolding critical relationships between the government and armed militias.
There was no immediate claim of responsibility for Hashemi's killing.
The rocket, a Katyusha, did not explode, according to reports.
It adds to 24 hours of tension in Iraq that coincided with American Independence Day. There were claims the US had deployed a C-RAM system to confront threats to its embassy and other facilities.
The incident took place after a number of rocket attacks near the US Embassy in Baghdad and other US military sites in recent weeks.
A raid by Iraq security forces on some of their own members on Thursday night resulted in hours of uncertainty in Baghdad.
The US has carried out airstrikes on Kataib Hezbollah after it carried out rocket attacks on bases where US forces are located.
Iraqi corruption, lack of foresight contribute to its economic woes, analyst says