* ABC Radio - Conversations - with Richard Fidler & Sarah Kanowski. The daring and scandalous life of British double agent Celery. This very popular show is downloaded 3 million times per month. Click to Listen.
* Radio Out There -The Ultimate True Spy Story - click link to listen or download the interview
* CIA. Center for the study of intelligence - Intelligence Officers' Bookshelf - by Hayden Peake - March 2018 (Vol 62, No.1)
* ABC News Online - Four wives, two mistresses and a double agent: How Carolinda Witt found out her grandfather's secret past. In the top 5 most popular articles read nationally on 9th March 2018
* Sydney Morning Herald - The spy who stayed out in the cold
* Monmouthshire Beacon - Delving into the tale of the war-time MI5 double agent - Dec 2017