For All the Tea in China Espionage, Empire and the Secret Formula for the World's Favourite Drink Rose Sarah Heftet / 2010 / Engelsk
D-Day Girls The Spies Who Armed the Resistance, Sabotaged the Nazis, and Helped Win the Second World War Rose Sarah Heftet / 2020 / Engelsk
Victoria County History of Cumbria: Kirkoswald and Renwick Brockington, Richard Heftet / 2019 / Engelsk
