[2014-05-09]. (原始内容存档于2022-03-03) (中文(繁體)). Alfred Nobel (页面存档备份,存于互联网档案馆) OregonStatePolice - Arson and Explosives Section (Handling instructions and photos)
(原始内容存档于2017-05-17). Schmidt, 1998, pp. 205–6 OregonStatePolice History. OregonStatePolice, Official OregonState website. [October 14, 2007]. (原始内容存档于January
Oregon. 2016 – 2016 Donald Trump Chicago rally protest(英语:2016 Donald Trump Chicago rally protest), March 11. Five people arrested and two police officers