21世紀的警衛室用於各種機關及門禁社區門口,以檢查進出入人物,一些大些的機構,警衛室會負責整個地區安全。
美國陸海軍警衛室常用的一個口號是「向下一個警衛室重複所有命令」(Repeat all calls more distant from the guardhouse than my own)。[3] 當他們休息時,編號第一位的警衛室第一個休息。[4][5]
August V. Kautz. The Corporal. Customs of Service for Non Commissioned Officers and Soldiers (as practised in the Army of the United States). Philadelphia: J. B. Lippincott & Co. 1864 [2013-09-03]. (原始內容存檔於2007-01-07).
- The Guardhouse. Colonial Williamsburg. The Colonial Williamsburg Foundation. [2013-09-03]. (原始內容存檔於2013-09-13). - a description of the guardhouse at Colonial Williamsburg
- Lindsay, Charles S. Louisbourg Guardhouses. Canadian Historic Sites: Occasional Papers in Archaeology and History - Contributions from the Fortress of Louisbourg (Ottawa: Parks Canada). 1975, 12 (2) [2013-09-03]. (原始內容存檔於2007-03-22).
- History of the ATHS Guardhouse. Arsenal Technical High School Alumni Association. [2013-09-03]. (原始內容存檔於2006-10-19). - a description of the guardhouse at Arsenal Technical High School, tracing its history from being a combined guardhouse and jail for the U.S. Army barracks through being a school "beanery" to its current function as a school security office
- Kate Holmes. Windsor Barracks the Guardhouse. Australian Society for Historical Archaeology. 1979. - an archaeological report on the guardhouse at the Macquarie Street entrance of the Lancer Barracks in Parramatta, New South Wales
- Guardhouse. Tour the museum. Fort Concho National Historic Landmark. [2013-09-03]. (原始內容存檔於2006-10-20). - an extract from the Fort Concho Medical History Record of May 1871, describing in detail the now nonexistent guardhouse