Below are some excerpts from Chapter 15 of Dr Mahathir Mohamad’s autobiography A Doctor in the House. (MPH Group Publishing April 2011 edition, pages 197-209 refer).
About the aftermath of the 10 May 1969 general election:
<Quote, selected passages>
“In the end, the Alliance could not form the Government in these two states [Perak and Selangor]”.
“In all the peninsular states except Johor – traditionally an Umno stronghold – support for both Umno and MCA had eroded badly.”