The following people have been really helpful and we are grateful to them for sharing their knowledge:

Archive in a book of recipes for home remedies

Breathe Arts Health Research.

David Owen QC, Magician.

Peter Clifford, Magician.

Richard McDougall, Dynamic FX Magician.

Nik Taylor, Senior Lecturer and Courseleader for the Division of Drama, researches Performance Magic and Technical Theatre, University of Huddersfield, Editor for the Journal of Performance Magic.

Penny Bayer, Regenerational and Heritage professional.

Dr. Stephen Clucas, Reader in Early-Modern Intellectual History, Birkbeck, University of London.

Dr. Marta Cobb, Senior Congress Officer at the International Medieval Congress and Professor in Medieval Studies, University of Leeds.

Dr. Peter Forshaw, Honary Research Fellow, Birkbeck, University of London.

Professor Graeme Gooday, Professor of History of Science & Technology, University of Leeds.

Dr. Alaric Hall, Lecturer in Medieval English Literature, University of Leeds.

Dr. Lauren Kassell, Senior Lecturer in the Department of History and Philosophy of Science, and Fellow of Pembroke College, University of Cambridge, Director of The Casebooks Project.

Professor Stuart Murray, Professor of Contemporary Literatures and Director of Leeds Centre for Medical Humanities, University of Leeds.

Stuart Nolan, Hex Induction and Editor of the Journal of Performance Magic.

Dr. Alice O’Grady, Director of Student Education, Performance and Cultural Studies, University of Leeds.

Dr. Jenny Rampling, Research Fellow at the University of Cambridge.

Dr. Emma Stafford, Senior Lecturer in Classics, University of Leeds.

Dr. Jamie Stark, Research Fellow in the history of medicine since 1850, University of Leeds.

Dr. Matthew Treherne, Director of Leeds Humanities Research Institute, Senior Lecturer in Italian and Co-Director for Dante Studies, University of Leeds.

Bob Draper, Former Experimental Officer, Physics Department, University of Bath, and member of Bath Royal Literary and Scientific Institution (BRLSI).

Bodleian Library, Oxford.
British Museum.