Crown jewels

Younghusband, George, Sir. The Crown Jewels of England. Cassell & Co. 1919: 21–22.  Twining, Edward Francis. A History of the Crown Jewels of Europe. B.T. Batsford

Crown Jewels. [2009-07-06]. （原始内容存档于2011-09-02）.  Tennant, Prof. Queen Victoria's crown. Scientific American. 14 December 1861, 5 (24): 375.  Crown jewels

The Crown of Queen Elizabeth, the Queen Mother, I937. [2009-11-01]. （原始内容存档于2009-11-20）.  The Crown Jewels. [2009-11-01]. （原始内容存档于2016-05-18）

The Interplay Of Tectonics And Sedimentation Creates One Of Colorado's Crown Jewels. Unfolding The Geology Of The West (Geological Society of America). 2016:

Soccerway資料庫：保罗·恩里克·甘索 （葡萄牙文） santos.globo.com （英文） Neymar and Ganso the crown jewels of Santos' new generation （页面存档备份，存于互联网档案馆）. SI.com. Tim Vickery. Published