Previous edition: 1984.
"The 1st edition of Principles (printed and published ... 1984) was edited by John Wernham ... from the original Principles of Osteopathy (1907) by Dr. J. M. Littlejohn" -- page [7].
Dr. J. M. Littlejohn PhD LLD MD DD on principles of osteopathy by J. Martin Littlejohn. Published by John Wernham College of Classical Osteopathy in 2011. Publication and catalogue information, links to buy online and reader comments.