Two albums of 191 black and white photographs and eight loose prints covering the service of Gordon McKay as a medical officer with a Field Ambulance unit in Mesopotamia during 1917. The photographs include coverage of the British advance to Baghdad during the early months of 1917 showing frontline trenches facing Kut; and Advanced Dressing Station in a trench; a pontoon bridge over the River Hai; Dujaila Redoubt (including British signals post); Turkish trenches at Es Sinn; ration dump at Bassouia and Turkish prisoners and artillery pieces captured during the advance. There are also a series of photographs taken in Baghdad showing general street scenes; markets; mosques; the railway station and YMCA. Another group of photographs cover operations north of Baghdad with troops and transport crossing the Shatt-al-Adhaim; dead on the battlefield near the River Adhaim; troops in camp at Sindiyeh (Sindiya) plus the Field Ambulance camp at the same location, including dental tent and cookhouse. Also sports day at Sindiyeh (Sindiya) with wheelbarrow race and General Cayley judging best turned out mule at a Horse Show. Other photographs in the collection show the pontoon bridge over the River Diyala at Baquba; views of Baquba town; portraits of local Arabs, soldiers buying eggs and milk from Arab women; the captured river steamer BASRA and hospital launch BASAUTA; troops crossing the River Tigris by steamer at Bawi; scenes in Deltawa including portrait photograph of a local policeman; the observation tower at Abdul Hassan Corner; officers of the Field Ambulance shooting game along the Adhaim; the Rawalpindi Hospital at Amara; men of the Madras Porter Corps; a swarm of locusts on McKay's tent; the Ctesiphon Arch and Iman al Mansur mosque near Kut. Named officers depicted in the collection at Gordon McKay, O'Brien and Colonel Dunn (CO of the Field Ambulance). The collection also includes a copy of The Baghdad Times, dated Saturday 29 June 1918.
Two albums holding slipped in black and white photographic contact prints. One album has a brown cloth-covered binding (dimensions closed: 205mm x 155mm), the second album has a blue cloth-covered binding with gold logo (dimensions closed: 185mm x 150mm). The latter album is branded 'The Windmill Album' S1505, made by W Johnson & Sons, London. The majority of the contact prints measure 70mm x 45mm. There is one larger print (dimensions: 90mm x 65mm). The copy of The Baghdad Times is folded and has the words 'O Mess' handwritten in red pencil in the title banner.