1
by Lee, Kam Hing
Published 1977
...Perak Politics and government....
2
by Noraida Mat Saman
Published 2013
...Perak Politics and government...
3
by Lubis, Abdur-Razzaq
Published 2003
...Perak Politics and government 1875-1911...
4
by Maruwiah, Ahmat
Published 2009
...Perak Politics and government...