Solicitor General" (页面存档备份,存于互联网档案馆), Ontario Newsroom, April 4, 2019 Man died from accidental suffocation during arrest: inquest (页面存档备份,存于互联网档案馆), CBC
Routledge. p. 350. ISBN 978-0415972352 "Crookes' beloved younger brother had died in 1867 and the scientist hoped that spiritualism could provide a reunion
ISBN 978-0-412-73800-5. OCLC 37378512. Benton, Michael J. When Life Nearly Died: The Greatest Mass Extinction of All Time 1st paperback. London: Thames &