Sub-series consists of records created and/or maintained by the 3rd Canadian Infantry Battalion, and document many aspects of the battalion's activities.
Volume 4036 includes the following files: Aircraft 1915-1917 (folder 1, file 1); Ammunition, large 1916-1917 (folder 1, file 2); Appointments, promotions 1916 (folder 1, file 3); Arms and ammunition, small 1915-1916 (folder 1, file 4); Artillery and trench mortars 1916-1917 (folder 1, file 5); Artillery and trench mortars. Reports 1915-1917 (folder 1, files 6 and 7); Badges 1915-1916 (folder 1, file 8); Battle stops and refilling points 1915-1916 (folder 1, file 9); Billets and billeting 1915-1917 (folder 1, file 10); Bombs and grenades 1915-1917 (folder 1, file 11); Burials and cemeteries 1915-1917 (folder 1, file 12); Cameras 1915-1916 (folder 1, file 13); Camps 1916 (folder 1, file 14); Candles 1915 (folder 1, file 15); Canteens, 1916 (folder 1, file 16).
Volume 4037 includes the following files: Address by Bishop of London March 1915 (folder 3, book 2); Casualties 11915-1917 (folder 2, files 1-3); Censorship 1916-1917 (folder 2, file 4); Circular letters 1915-1917 (folder 2, file 5); Clothing and equipment 1915-1917 (folder 2, file 6); Clubs, 1915-1916 (folder 2, file 7); Codes, 1916-1917 (folder 2, file 8); Conferences, 1916-1917 (folder 2, file 9); Army books containing material on a wide variety of subjects, 1915-1916 (folders 3-4 and Vol. 4038, folders 5-7).
Volume 4038 includes the following files: Defences, 1915-1917 (folder 8, file 1); Schemes. Kemmil Jan-Feb 1916 (folder 8, file 2); Schemes, 1 Cdn Div Dec 1917 (folder 8, file 3); Schemes,. 1 Cdn Div Jan 1918 (folder 8, file 4); Schemes, Hill 70 sector March 1918 (folder 8, file 5); Schemes, Pont du Jour sector April 1918 (folder 8, file 6); Trenches and dugouts 1915-1917 (folder 8, file 7); Wire and wiring parties 1915-1917 (folder 8, file 8).
Volume 4039 includes the following files: Defences. Work and working parties 1915-1917 (folder 9, files 1-4); Demolitions, 1916 (folder 10, file 1); Designation 1916 (folder 10, file 2); Discipline 1915-1917 (folder 10, files 3-5); Disposition, locations reports 1915-1917 (folder 10, files 6-7); Dressing stations 1916 (folder 10, file 8); Dumps 1916 (folder 10, file 9); Entertainments 1915-1916 (folder 10, file 10); Establishments 1914-1917 (folder 10, file 11); Field kitchens and cookers 1916-1917 (folder 10, file 12); Forestry 1917 (folder 10, file 13); Franchise 1916 (folder 10, file 14); Gas 1915-1917 (folder 10, file 15); Guards and sentries, 1915-1917 (folder 10, file 16); Guns (machine and Lewis) 1915-1917 (folder 10, file 17); Helmets 1915-1917 (folder 11, file1); Honours and awards 1916-1917 (folder 11, file 2); Inspections 1915-1917 (folder 11, file 3); Intelligence summaries 1916 (folder 11, file 4); Intelligence reports 1915-1917 (folder 11, file 5-6); Intelligence 1915-1917 (folder 11, file 7); Interpreters 1915-1917 (folder 11, file 8); Leave 1915-1917 (folder 11, file 9-11).
Volume 4040 includes the following files: Maps 1915-1917 (folder 12, file 1); Medical 1915-1917 (folder 12, file 2); Messes and messing 1916-1917 (folder 12, file 3); Mining and miners 1915-1917 (folder 12, file 4); Mining, German 1916 (folder 12, file 5); Montenegrins 1915 (folder 12, file 6); Moves and reliefs 1915-1917 (folder 12, files 7-8); Munitions workers 1916 (folder 12, file 9); Officers 1915-1917 (folder 12, files 10-13); Operations. St Eloi 1915-1916 (folder 13, file 1); Operations. Mount Sorrel June 1916 (folder 13, file 2); Operations. Somme Sept-Oct 1916 (folder 13, file 3); Operations. Machine guns 1915-1916 (folder 13, file 4); Operations. Minor 1916-1917 (folder 13, files 5-7); Operations. Lessons learned from 1916 (folder 13, file 8); Orders. 1 Cdn Inf Bde 1916 (folder 13, file 9); Orders. 3 Cdn Inf Battn 1915-1916 (folder 13, file 10); Orders. Special of the day 1915-1916 (folder 14, file 1); Orders. Town 1916 (folder 14, file 2); Orders. Battalion 1915-1916 (folder 14, books 1-7); Organization 1915-1917 (folder 14, file 10).
Volume 4041 includes the following files: Parades 1915-1917 (folder 15, file 1); Patrols 1915-1917 (folder 15, file 2); Passwords 1916 (folder 15, file 3); Pay and allowances 1916 (folder 15, file 4); Personnel 1916-1917 (folder 16, files 1-2); Pigeon service 1915-1917 (folder 16, file 3); Prisoners of war 1915-1916 (folder 16, file 4); Progress reports 1915-1917 (folder 16, file 5-6); Propaganda (folder 16, file 7); Rations 1915-1917 (folder 17, file 1); Reconnaissance 1916-1917 (folder 17, file 2); Reinforcements 1915-1917 (folder 17, file 3); Remounts 1915-1917 (folder 17, file 4); Reports and returns 1915-1917 (folder 17, file 5); Salvage 1915-1917 (folder 17, file 6); Sanitation 1915-1917 (folder 17, file 7); Scouts and snipers 1915-1917 (folder 17, file 8); Self inflicted and accidental wounds 1916-1917 (folder 17, file 9); Sickness 1915-1917 (folder 17, file 10); Signal service 1915-1917 (folder 17, file 11); Signals, S.O.S. 1916-1917 (folder 17, file 12); Signals, German 1915-1917 (folder 17, file 13).
Volume 4042 includes the following files: Situation reports 1915-1917 (folder 18, files 1-3); Smoke screens, 1916 (folder 18, file 4); Sports 1915-1917 (folder 18, file 5); Stores 1915-1917 (folder 18, files 6-9); Stores 1915-1917 (folder 19, files 1-3); Strength 1915-1917 (folder 19, files 4-6); Training 1915-1917 (folder 20, files 1-7); Transport and traffic 1915-1917 (folder 20, file 8); Trench mortars 1916 (folder 20, file 9); Trophies 1917 (folder 20, file 10); Visits 1915 (folder 20, file 11); Water supply 1915-1917 (folder 20, file 12); Wind reports 1915 (folder 20, file 13); Army workshops 1915 (folder 20, file 14).