| Second World War | LAC has an extensive collection of material relating to the Second World War. Come and explore. | Military history | Second World War: 1939-1945 | Subject guide |
| War of 1812 | Check out the collections of material we hold relating to the War of 1812. | Military history | War of 1812 | Subject guide |
| War Office records | LAC has microfilm copies of some British War Office records that relate to the defence of Canada. | Military history | British regime: 1760-1865 | Subject guide |
| Personnel records for nurses, 1914 to 1918 | Many Canadians nurses served in the First World War. More information on their personnel files is available here. | Military history | First World War: 1914-1918 | Subject guide |
| How to read documents in First World War service files | How to understand documents in the service files from the Canadian Expeditionary Force. | Military history | First World War: 1914-1918 | How to's |
| First World War: personnel records | Search the service records for servicemembers who served in the First World War, 1914 to 1918. | Military history | First World War: 1914-1918 | Subject guide |
| Military abbreviations used in service files | Service files use many different acronyms. Use this index to better understand them. | Military history | First World War: 1914-1918 | Index |
| First World War | Discover the many collections of documents that we hold relating to the First World War. | Military history | First World War: 1914-1918 | Subject guide |
| Faces of the Second World War | See what military life was like during the Second World War. | Military history | Second World War: 1939-1945 | Database |
| Military Medals, Honours and Awards, 1812–1969 | We hold medal registers, citation cards and other records for various military awards. | Military history | Honours | Database |
| South African War, 1899-1902 - Service Files, Medals and Land Applications | The South African War was the first time Canada dispatched troops to an overseas wars. | Military history | South African War | Database |
| War of 1812 | Explore the names of Canadian militia appearing on documents relating to the War of 1812. | Military history | British regime: 1760-1865 | Database |
| Royal Canadian Navy Service Ledger Sheets, 1910 to 1941 | Search for personnel records of service members who served with the Royal Canadian Navy. | Military history | First World War: 1914-1918 | Database |
| Personnel Records of the First World War | Locate the service files of those who served during the First World War. | Military history | First World War: 1914-1918 | Database |
| Courts-martial of the First World War | Courts martials tried accused service men and women in military courts. Use this database to search for particular cases. | Military history | First World War: 1914-1918 | Database |
| Service Files of the Second World War - War Dead, 1939-1947 | Over 44,000 Canadian servicemembers died over the course of the Second World War. See their service records in this database. | Military history | Second World War: 1939-1945 | Database |
| British military and naval records (RG 8, C Series) - Introduction and digitized index | Information about documents held by the United Kingdom related to the defense of Canada between 1759 and 1871. | Military history | British regime: 1760-1865 | Microform |
| British military and naval records (RG 8, C Series) - Digitized documents | View copies of documents held by the United Kingdom related to the defense of Canada between 1759 and 1871. | Military history | British regime: 1760-1865 | Microform |
| Veterans Death Cards: First World War | Veterans Affairs created a death card when a First World War veteran passed away. These cards are now in the custody of LAC. | Military history | First World War: 1914-1918 | Microform |
| Circumstances of Death Registers, First World War | LAC holds records related to the death of service personnel. They include details about cause of death and location of the first grave site. | Military history | First World War: 1914-1918 | Microform |
| Guide to Sources Relating to Canadian Naval Vessels (1 pdf) | Locate records related to specific vessels that served with the Royal Canadian Navy. | Military history | General | Index |
| Guide to Sources Relating to the Canadian Militia (2 pdfs) | This guide provides a list of records and files organized by the various militia units that served during military conflicts. | Military history | General | Index |
| Commonwealth War Graves Registers, First World War | These registers record the location of graves and memorials for service personnel in France, Belgium, and the United Kingdom. | Military history | First World War: 1914-1918 | Microform |
| Guide to Sources Relating to Units of the Canadian Expeditionary Force (31 sub-pages) | Identify records relating to specific army units that served in the First World War | Military history | First World War: 1914-1918 | Index |
| War Diaries of the First World War | From the start of the First World War, Canadian Expeditionary Force (CEF) units were required to maintain a daily account of their "Actions in the Field." This log was called a war diary. | Military history | First World War: 1914-1918 | |