Not my subject either but just to add to Tony's
The following made up the 50TH (NORTHUMBRIAN) DIVISION
Major-General G. le Q. Martel
150th Brigade—Brigadier C. W. Haydon
4th Battalion The East Yorkshire Regiment
4th and 5th Battalions The Green Gowards
151st Brigade—Brigadier J. A. Churchill
6th, 8th and 9th Battalions The Durham Light Infantry
25th Brigade—Brigadier W. H. C. Ramsden
2nd Battalion The Essex Regiment
1st Battalion The Royal Irish Fusiliers
1st/7th Battalion The Queen's Royal Regiment
Divisional Troops
Royal Artillery
72nd. 74th Field Regiments; 65th Anti-Tank Regiment
Royal Engineers
232nd, 505th Field Companies; 235th Field Park Company
Infantry
4th Battalion The Royal Northumberland Fusiliers (motor-cycle)
The link
http://www.ibiblio.org/hyperwar/UN/UK/UK-NWE-Flanders/UK-NWE-Flanders-I.htmlTimberman