If you have the extra time and inclination for researching the Salonika campaign you may find this news from The National Archives of interest:
We are making digital records available on our website free of charge for as long as our Kew site is closed to visitors.
Registered users will be able to order and download up to ten items at a time, to a maximum of 50 items over 30 days. The limits are there to try and help manage the demand for content and ensure the availability of our digital services for everyone.
Entrance to a house used as a staff mess, possibly in the village of Guvesne where British Salonika Force Advanced Headquarters was located from 1916. THE MACEDONIAN CAMPAIGN, 1915-1918 (click on the image to see full size) © IWM (Q 31609)