Fritz, Jerry. World-Wide Friendships(PDF). (image caption above article News Items About Boy Scouts) (Cass City Chronicle). 9 February 1945: 3 [26 August 2006]. (原始内容存档(PDF)于2011-07-20).
Wood, Edward G.; Brookes, Kenneth. Uniforms and Badges of the World(PDF). London, Liverpool, Prescot: The Boy Scouts Association. 1960: 17 [5 June 2008]. (原始内容存档(PDF)于2016-03-03).
UN Programmes and Funds. World Association of Girl Guides and Girl Scouts. [16 February 2008]. (原始内容存档于2008年2月14日).
web.archive.org
Fritz, Jerry. World-Wide Friendships(PDF). (image caption above article News Items About Boy Scouts) (Cass City Chronicle). 9 February 1945: 3 [26 August 2006]. (原始内容存档(PDF)于2011-07-20).
Wood, Edward G.; Brookes, Kenneth. Uniforms and Badges of the World(PDF). London, Liverpool, Prescot: The Boy Scouts Association. 1960: 17 [5 June 2008]. (原始内容存档(PDF)于2016-03-03).
UN Programmes and Funds. World Association of Girl Guides and Girl Scouts. [16 February 2008]. (原始内容存档于2008年2月14日).