Gentlemen.....
The book I use is:
O'Okiep, The Defence and Relief of O'Okiep, Cape Colony by Brian L. Kieran, Published 1995, ISBN 976-8136-30-8 in Paperback and ISBN 976-8136-31-6 in Hardcover, Published by Bourne Press Limited, United Kingdom
The book has full medal rolls and history.....
It is basically in the same foremat as your books David..... But of course yours are better David.....
Mike