Sub-series consists of records created and/or maintained by the 27th Canadian Infantry Battalion, and document many aspects of the battalion's activities.
Volume 4128 includes the following files: Administration, 3 Oct 1917 - 10 July 1918 (folder 1, file 1); Agriculture, 2 Dec 1917 - 20 July 1918 (folder 1, file 2); Anthracite duff, 18 Dec 1915- 11 Jan 1916 (folder 1, file 3); Affiliation with Winnipeg Grenadiers, 3 June 1916 (folder 1, file 4); Aircraft, 19 Sept 1915 - 14 June 1918 (folder 1, file 5); First Army weekly appreciation, 25 May 1918 (folder 1, file 6); Large ammunition, 11 April 1916 - 4 March 1917 (folder 1, file 7); Small arms and ammunition, 27 Jan 1916 - 4 July 1918 (folder 1, file 8); Artillery, 20 Sept 1915 - 11 June 1918 (folder 1, file 9); Bands, 23 Feb 1917 - 10 Dec 1918 (folder 1, file 10); Badges, colours, buttons, patches, 30 Jan - 23 March 1918 (folder 1, file 11); Billets and billeting, 12 May 1916 - 27 Jan 1919 (folder 2, file 1); Binoculars, 25 Feb 1917 (folder 2, file 2); Body shields, 5 April - 26 Aug 1917 (folder 2, file 3); Bombs and parades, 26 Feb 1915 - 20 May 1918 (folder 2, file 4); Boundaries, 15 Feb 1917 - 11 Oct 1918 (folder 2, file 5); Burials and cemeteries, 25 Marcy 1916 - 5 Oct 1918 (folder 2, file 6); By products, 6 June 1917 - 24 May 1918 (folder 2, file 7); Camps, 10 March 1916 - 9 Oct 1918 (folder 2, file 8); Cameras, certificates re, 28 Jan - 27 Aug 1917 (folder 2, file 9); Use of camouflage screens, 27 April 1916 - 26 June 1917 (folder 2, file 10); Canteens, 27 June 1917 - 3 Dec 1918 (folder 2, file 11); Casualties, 12 March 1916 - 1 July 1918 (folder 2, file 12); Chaplain services, 3 May 1917 (folder 2, file 13); Claims, property damage, 15 Jan 1918 - 13 Feb 1919 (folder 2, file 14); Instructions re civilians, 15 March 1917 - 6 Jan 1919 (folder 2, file 15); Clothing and equipment, 8 Jan - 1 May 1918 (folder 2, file 16); Codes, 6 Nov 1916 - 9 Sept 1918 (folder 2, file 17); Artillery and transport show, 19 June 1918 (folder 2, file 18); Communiques, GS, GHQ (folder 2, file 19).
Volume 4129 includes the following files: Conferences and lectures, 26 Jan 1916 - 9 May (folder 3, file 1); Congratulatory messages, 24 March 1916 - 6 July (folder 3, file 2); Courts of enquiry, 26 Sept 1916 - 12 April (folder 3, file 3); Defences, 4 Nov 1915 - 17 July (folder 3, file 4); Defence schemes, 16 March 1916 - 17 May (folder 3, file 5); Wiring, 30 May 1916 - 30 May (folder 3, file 6); Trenches and dugouts, 20 Dec 1916 - 5 June (folder 3, file 7); Work and working parties, 21 March 1916 - 20 July (folder 4, file 1); Returns, religious denominations, 3 Feb - 3 March (folder 4, file 2); Shortage of dental officers, 1 Feb (folder 4, file 3); Details, 16 July 1916 - 4 April 1917 (folder 4, file 4); Instructions re discipline, 7 Feb 1915 - 3 Oct (folder 4, file 5); Raid discs, 6 Feb (folder 4, file 6); Distribution states, 8 May 1916 - 10 Aug 1917 (folder 4, file 7); Disposition, 10 March - 3 June (folder 4, file 8); Instructions re documents and records, 9 Sept 1915 (folder 4, file 9); Emergency munition dumps, 8 Aug 1916 - 28 April (folder 4, file 10); "Jerromes" trench oven, 10 July (folder 4, file 11); Economy, 10-19 Feb 1916 (folder 5, file 1); Educational, 8 March 1918 - 17 Jan 1919 (folder 5, file 2); Embarkation to France, 15 Sept 1915 (folder 5, file 3); Engineer services, 31 March - 27 Dec (folder 5, file 4); Entertainment, 13 June 1917 - 31 Jan (folder 5, file 5); Establishment, 14 Jan 1917 - 5 Nov (folder 5, file 6); Field kitchen, March-May 1916 (folder 5, file 7); Field registers (folder 5, file 8); Fires, 16 Sept 1916 - 6 Feb (folder 5, file 9); Staff flags, 14 March (folder 5, file 10); Fraternization with enemy, 19 Feb (folder 5, file 11); Entertainment and canteen funds, 19 Sept 1917 - 1 March (folder 5, file 12); Gas, 15 Dec 1915 - 14 Sept (folder 5, file 13); Gifts, 24 Nov 1916 - 14 Dec 1917 (folder 5, file 14); Grenades, 6 Nov 1916 - 17 July (folder 5, file 15).
Volume 4130 includes the following files: Guides, 21 July - 8 Aug 1918 (folder 6, file 1); Machine and Lewis guns, 19 Dec 1915 - 23 Sept 1918 (folder 6, file 2); Helmets, 16 Jan 1916 (folder 6, file 3); Historical records, Feb-March 1916 (folder 6, file 4); Honours and awards, June 1917 (folder 6, file 5); Identity discs, 1 June 1916 - 25 Aug 1917 (folder 6, file 6); Inspections, 9 May 1916 - 25 Aug 1917 (folder 6, file 7); Intelligence summaries, 1916-1918 (folder 6, files 8-11); Intelligence summaries, 1916-1918 (folder 7, files 1-6); Inspection 4 March 1917 (folder 7, file 7); Intelligence, 18 Dec 1915 - 8 June 1918 (folder 8, file 1); Landmarks, 10-11 March 1917 (folder 8, file 2); Leave, 15 Jan 1916 - 28 Dec 1918 (folder 8, file 3 ); Location lists (folder 8, file 4); Log book, July 1916 - June 1918 (folder 8, files 5-6).
Volume 4131 includes the following files: Maps, 1 July 1916 - 16 May 1917 (folder 9, files 1-5); Medical arrangements, 13 Dec 1915 - 4 July 1918 (folder 10, file 1); Memo, "How to End the War", 1 Jan 1918 (folder 10, file 2); Memorials, 22 Dec 1918 (folder 10, file 3); Moonlight charts, Jan-Sept 1918 (folder 10, file 4); Messes, 30 June 1918 (folder 10, file 5); Mining, 19 Jan 1916 - 14 Dec 1917 (folder 10, file 6); Mobilization, 11 March 1918 (folder 10, file 7); German morals, 19 March 1917 (folder 10, file 8); Moves and reliefs, 4 April 1916 - 28 Dec 1918 (folder 10, files 9-10); Nomenclature, 18 Nov 1916 (folder 10, file 11); Nominal rolls, 6 Nov 1917 - 20 Oct 1918 (folder 10, file 12); Observers, 23 April 1916 - 12 Aug 1917 (folder 11, file 1); Officers, 8 Dec 1915 - 10 Dec 1918 (folder 11, file 2); Organization, 23 Jan 1918 (folder 11, file 3); Operations. Kemmel front, March 1916 (folder 11, file 4); Operations. St Eloi, 20 April - 13 July 1916 (folder 11, file 5); Operations. Mount Sorrel front, 27 May 1916 (folder 11, file 6).
Volume 4132 includes the following files: Operations Hoodge, 29 April - 15 July 1916 (folder 12, file 1); Operations. Poziers, 26 Aug 1916 (folder 12, file 2); Operations. Courcelette, 9-15 Sept 1916 (folder 12, file 3); Operations. Regina Trench, 26 Oct 1916 (folder 12, file 4); Operations. Vimy Ridge, 11 Jan - 16 April 1917 (folder 12, file 5); Operations. Fresnoy, 26 April - 9 May 1917 (folder 12, file 6); Operations. Hill 70, 14-20 Aug 1917 (folder 12, file 7); Operations. Passchendaele, Oct 1917 - March 1918 (folder 12, files 8-9); Operations. German offensive, March 1918 (folder 12, file 10); Operations. Report on Cdn Corps MMY Bde, 1 April 1918 (folder 12, file 11); Operations. Mercatel Sector, 4 April 1918 (folder 12, file 12); Operations. Amiens, 8-11 Aug 1918 (folder 12, file 13); Operations. Arras, 26 Aug 1918 (folder 12, file 14); Operations. Field messages, 2-26 Aug 1918 (folder 12, file 15); Minor operations, 1916-1918 (folder 13, files 1-11); Minor operations, 27th Battn - 4 Nov 1916 - 25 June 1918 (folder 13, file 9); Minor operations, 1916-1918 (folder 14, files 1-3); Operation summaries, First Army, 4 March 1917 - 9 July 1918 (folder 14, file 3); Operation summaries, 6th CIB, 12 Dec-20 May 1916 (folder 14, file 4); Operation summaries, 27th Battn, 15 May-3June 1918 (folder 14, file 5); Notes on operations and lessons learned, 30 Dec 1915 - 30 April 1918 (folder 14, file 6).
Volume 4133 includes the following files: Operation orders, 1915-1919 (folder 15, files 1-9); Operation orders, 27th Battn, 7 Oct 1915 - 19 Feb 1919 (folder 15, files 5-8); Routine orders, 1917-1919 (folder 16, files 1-2); Routine orders, 1917-1919 (folder 17, files 1-9).
Volume 4134 includes the following files: Routine orders, 1917-1919 (folder 18, files 1-6 ); Routine orders, 1917-1919 (folder 19, files 1-2); Haig's special order of the day, 24 March 1918 (folder 19, file 3); Battalion orders, pts I and II, 20 Sept 1915 - 29 Jan 1916 (folder 19, file 4); Battalion orders, pts I and II, 6 March 1917 - 31 March 1918 (folder 19, file 5); Standing orders, 18 Sept 1915 - 19 May 1917 (folder 19, file 6); Town orders, 9 April 1916 - 3 July 1918 (folder 19, file 7); Trench orders (folder 19, file 8); Organization, 28 Nov 1915 - 8 July 1918 (folder 20, file 1); Parades, 3 March 1917 - 29 June 1918 (folder 20, file 2); Patches, 8 Aug 1916 - 16 Jan 1919 (folder 20, file 3); Patrols, 7 March - 27 April 1918 (folder 20, file 4); Paymasters, 22 June 1916 - 16 July 1918 (folder 20, file 5); Personnel, 13 Dec 1915 - 2 Feb 1919 (folder 20, file 6); Photography, 27 June 1917 (folder 20, file 7); Postal service, 13 March 1916 - 8 March 1918 (folder 20, file 8); Portuguese troops, 4 July 1918 (folder 20, file 9); Cdn prisoners of war, 22 Feb 1917 - 2 Sept 1918 (folder 20, file 10); Publications, 5 Feb 1916 - 30 May 1917 (folder 20, file 11); Propaganda, 8 March - 15 July 1918 (folder 20, file 12).
Volume 4135 includes the following files: Light railways, 12 July 1917 22 Feb 1918 (folder 21, file 1); Rations, 15 Dec 1915 - 12 Aug 1918 (folder 21, file 2); Reconnaissance, 14 April-29 May 1918 (folder 21, file 3); Regimental institute, 22 May 1918 (folder 21, file 4); Reinforcements, 23 Nov 1916 - 23 May 1918 (folder 21, file 5); Remounts, 27 Dec 1916 - 19 Oct 1918 (folder 21, file 6); Requisitions 11 Jan-14 Feb 1919 (folder 21, file 7); Instructions re returns, 23 May-21 June 1917 (folder 21, file 8); Russian soldiers, 24 July 1917 - 10 April 1918 (folder 21, file 9); Salvage, 6 July 1916 - 6 July 1918 (folder 22, file 1); Sanitation, 25 April 1916 - 3 Oct 1918 (folder 22, file 2); Weight to be carried by soldiers (folder 22, file 3); Scouts and snipers, 23 Nov 1915 - 11 Aug 1917 (folder 22, file 4); Signals, 14 Feb 1916 - 29 May 1918 (folder 22, file 5); Signal service, 12 April 1916 - 5 Sept 1918 (folder 22, file 6); Signs, 16 Jan 1919 (folder 22, file 7); Situation reports, 21 Jan - 28 March 1918 (folder 22, file 8); Sports, 5 June 1917 - 19 July 1918 (folder 22, file 9); Trench stores, 23 Jan 1916 - 9 May 1918 (folder 22, file 10); Stores, 19 Dec 1914 - 4 Feb 1919 (folder 23, file 1); Strength, 9 Oct 1915 - 16 Feb 1918 (folder 23, files 2-3); Supply service, 6 Aug 1917 - 10 May 1918 (folder 23, file 4); Sweets dropped by enemy, 21 Feb 1917 (folder 23, file 5); Swedish soldiers, 21 March 1918 (folder 23, file 6).
Volume 4136 includes the following files: Tanks, 10 Feb 1917 - 17 July 1918 (folder 24, file 1); Town majors, 22 July 1917 - 16 Feb 1918 (folder 24, file 2); Training, 14 Nov 1915 - 17 July 1918 (folder 24, files 3-4); Training, 16 March 1916 - 28 Feb 1919 (folder 25, file 1); Transport and traffic, 22 Jan 1916 - 3 Dec 1918 (folder 25, file 2); Trench mortars, 15 March 1916 - 7 June 1918 (folder 25, file 3); Trenches and dugouts, 5 Dec 1915 - 16 April 1917 (folder 25, file 4); Trophies, 11 Feb 1916 - 9 Sept 1918 (folder 26, file 1); Tump lines, 27 Feb 1917 (folder 26, file 2); Tunnels and subways, 20 Nov 1916 - 3 Jan 1917 (folder 26, file 3); American troops, 31 May 1918 (folder 26, file 3A); Vehicles, 1 Feb 1916 - 29 May 1917 (folder 26, file 4); Visits, 15 March 1916 - 17 July 1918 (folder 26, file 5); Correspondence re war diaries, 7 Feb 1916 - 1 Dec 1918 (folder 26, file 6); Water supply, 7 April 1916 - 5 Oct 1918 (folder 26, file 7); Wire, 13 Jan 1916 - 27 July 1917 (folder 26, file 8); YMCA, 28 April 1916 - 28 Feb 1918 (folder 26, file 9).