Cambridge Constitutional History of the United KingdomPeter Cane, Harshan Kumarasingham · First published 2022Open the Tome
Transactions of the Royal Historical SocietyHarshan Kumarasingham, Kate Smith · First published 2022Open the Tome
A Political Legacy of the British Empire International Library of Twentieth Century HistoryHarshan Kumarasingham · First published 2013Open the Tome