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* {{cite book | last = Maxwell | first = J C | year = 1873 | title = A treatise on electricity and magnetism | volume = 2 | publisher = Clarendon Press | location = Oxford | url = http://www.archive.org/stream/electricandmag02maxwrich | accessdate = 2011-05-12 | lang = en}}
* {{cite book | last = Page | first = Chester H. | year = 1975 | url = http://books.google.com/?id=nOG0SxxEu64C&pg=PA240 | title = The International Bureau of Weights and Measures 1875 – 1975: NBS Special Publication 420 | date = 20 May 1975 | coauthors = Paul Vigoureux (ed.) | publisher = National Bureau of Standards | location = Washington, D.C. | lang = en}}
* {{cite book | last = Quinn | first = Terry | year = 2012 | url = http://www.worldcat.org/title/from-artefacts-to-atoms-the-bipm-and-the-search-for-ultimate-measurement-standards/oclc/705716998/viewport | title = From artefacts to atoms : the BIPM and the search for ultimate measurement standards | publisher = Oxford University Press | quote = he [Wilkins] proposed essentially what became ... the French decimal metric system | isbn = 978-0-19-530786-3 | lang = en}}
* {{cite journal | last = Smeaton | first = William A | year = 2000 | url = http://www.platinummetalsreview.com/article/44/3/125-134/ | accessdate = 2013-06-18 | title = The Foundation of the Metric System in France in the 1790s: The importance of Etienne Lenoir's platinum measuring instruments | location = Ely, Cambridgeshire, United Kingdom | journal = Platinum Metals Review | volume = 44 | pages = 125 – 134 | issue = 3 | lang = en}}
* {{cite web | publisher = spasslernen.de | year = 2011 | work = spasslernen.de | url = http://www.spasslernen.de/geschichte/groessen/mas1.htm | title = Amtliche Maßeinheiten in Europa 1842 | accessdate = 2011-03-26 | lang = de}}