| AHQ | Army Headquarters |
| BB | Blanche Bieler |
| BEF | British Expeditionary Force |
| Brig. Gen. | Brigadier General |
| CB | Charles Bieler |
| CBD | Canadian Base Depot |
| CCS | Casualty Clearing Station |
| CFA | Canadian Field Artillery |
| CLI | Canadian Light Infantry |
| CMG | Companion of the Order of the St. Michael and St. George |
| CO | Commanding Officer |
| CRA | Commanding Royal Artillery |
| Capt. | Captain |
| Col. | Colonel |
| DSO | Companion of the Distinguished Service Order |
| FOO | Forward Observation Officer |
| GHQ | General Headquarters |
| HMS | His Majesty’s Ship |
| HQ | Headquarters |
| KCB | Knight Commander of the Order of the Bath |
| KCMG | Knight Commander of the Order of the St. Michael and St. George |
| Lieut or Lt | Lieutenant |
| MVO | Member of the 4th or 5th Class of the Royal Victorian Order |
| NCO | Non-Commissioned Officer |
| OC | Officer Commanding |
| OP | Observation Post |
| PPCLI | Princess Patricia’s Canadian Light Infantry |
| Princess Pats | Princess Patricia’s Canadian Light Infantry |
| Pte | Private |
| RA | Royal Artillery |
| RAF | Royal Airforce |
| RE | Royal Engineers |
| YMCA | Young Men’s Christian Association |
