[[Category:Bibliography]]
== Primary Sources ==
#{{#lst:Category:Anderson, Hjjaltalin and Goudie 1873|referenceAnderson, Hjjaltalin and Goudie 1873}}#{{#lst:Category:Bacon 1914|referenceBacon 1914}}
#{{#lst:Category:Barlow 1992|Barlow 1992}}
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== References ==
#{{#lst:Category:Hewitt 1855|referenceHewitt 1855}}#{{#lst:Category:Wheeler 1927|referenceWheeler 1927}}
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==Book Series==