(The King’s Oversea Dominions Regiment)
The History of King Edward’s Horse (The Kings Oversea Dominions Regiment) was written by their Colonel Lionel James in 1923.
The book covers the formation, early years and a comprehensive study of their involvement in WWI.
The Nominal Roll on this site contains the list of serving members and where you see a reference to “Hist” within the soldiers profile you will find this corresponds to a page in the Unit History.
Here is a link to the The History of King Edward’s Horse Book hosted on the Internet Archive