"The Battle of the Somme, July-november 1916" A party, which included the New Zealand Prime Minister Mr. William Massey and his Deputy Prime Minister Sir Joseph Ward, seen during a visit to the sites of the Battle of the Somme. Mr Massey is seen emerging from a captured German dug-out at La Boiselle, 23rd October 1916. In front of him is a member of the Royal Army Medical Corps who is holding the lanterns used in the dug-out.