▁for ▁the ▁public ▁on ▁ 8 ▁May ▁ 1 9 8 2 . ▁ ▁Since ▁then ▁The ▁Dean ery ▁has ▁been ▁used ▁as ▁the ▁C athedral ▁offices . ▁ ▁The ▁Dean ery ▁was ▁entered ▁into ▁the ▁Register ▁of ▁the ▁National ▁Est ate ▁by ▁the ▁Australian ▁Heritage ▁Commission ▁in ▁March ▁ 1 9 7 8 ▁and ▁class ified ▁by ▁the ▁National ▁Trust ▁of ▁Australia ▁( WA ) ▁in ▁October ▁ 1 9 8 0 . ▁On ▁ 1 ▁December ▁ 1 9 9 5 ▁it ▁was ▁placed ▁on ▁the ▁permanent ▁state ▁her itage ▁register . ▁ ▁Further ▁reading ▁ ▁App er ly , ▁R , ▁Ir ving , ▁R , ▁Reyn olds , ▁P , ▁( 1 9 8 9 ) ▁A ▁P ict orial ▁Guide ▁to ▁Ident ifying ▁Australian ▁Architecture . ▁St yles ▁and ▁Term s ▁from ▁ 1 7 8 8 ▁to ▁the ▁Pres ent ▁( Ang us ▁and ▁Robert son , ▁North ▁Ry de ) ▁ ▁Hamm ond , ▁J ▁( 1 9 3 1 ) ▁Build ers ▁of ▁Per th ▁in ▁Royal ▁Western ▁Australian ▁Historical ▁Society ▁Vol . ▁ 1 ▁P t . ▁IX ▁ ▁Old ham ▁J ▁& ▁R ▁( 1 9 6 1 ) ▁Western ▁Heritage ▁( Per th , ▁Pat erson ▁Bro kens ha ) ▁ ▁St ann age , ▁C , ▁T ., ▁( 1 9 7 9 ) ▁The ▁People ▁of ▁Per th , ▁A ▁social ▁history ▁of ▁Western ▁Australia ' s ▁Capital ▁City ▁( City ▁of ▁Per th , ▁Per th ) ▁▁ ▁Wright