"Adelaide of Rheinfelden (c. 1065–?)". Women in World History: A Biographical Encyclopedia. Gale Research Inc. Archived from the original on 10 June 2014. Retrieved 8 January 2013.(subscription required)
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"Adelaide of Rheinfelden (c. 1065–?)". Women in World History: A Biographical Encyclopedia. Gale Research Inc. Archived from the original on 10 June 2014. Retrieved 8 January 2013.(subscription required)