Linked from
The 18 pages that link to Ritsuryō, each with the reason it gives.
Heijō-kyōRelated: Its offices and rules structured the court administration housed in the capital.
Kai ProvinceRelated: Kai’s provincial administration developed within the ritsuryō state framework.
TenpyōRelated: Its institutions formed the political framework in which Tenpyō years unfolded.
Provinces of JapanRelated: Its laws formalized provincial administration under the imperial state.