. "1952Z"^^ . "1952-01-03Z"^^ . "Member of theLegislative Assembly of Alberta" . . "Albert John Robertson"@en . . . "Albert John Robertson was a politician from Alberta, Canada, and the first Leader of the Opposition in the province's history. He led the Conservatives in the Legislative Assembly of Alberta from 1905 to 1909, before being defeated in the 1909 election."@en . "1864Z"^^ . . "1864-09-17Z"^^ . "Canadian politician" . . . "Robertson, Albert"@en .