(PDF)存档于2008-07-05). ThePostOffice (London) Railway. ThePostOfficeElectricalEngineers' Journal. July 1928, 21 (2): 147–154. Mackay, A.C. The New PostOffice Railway
Institute of Electrical and Electronics Engineers. MIT news. 2003-11-26 [2019-07-24]. (原始内容存档于2020-11-26) (英语). Mildred S. Dresselhaus (PDF). The American
Institute of ElectricalEngineers, May 1888. Selected Tesla Writings, Scientific papers and articles written by Tesla and others, spanning the years 1888–1940
90mm M36 GUN MOTOR CARRIAGE "Jackson" (页面存档备份,存于互联网档案馆) Post W.W.II, the M36 was employed by the US Army in Korea and was distributed to friendly nations