Berkaitan Konsesi Chenderong : http://books.google.com.my/books?id=xFEvUKiZrpYC&pg=PA24&lpg=PA24&dq=chenderong+concession&source=bl&ots=YFRDC5t8f7&sig=4G73MuZUwv0t20FPXA-vF5Vy1JE&hl=en