Analysis of information sources in references of the Wikipedia article "History of coins in Italy" in English language version.
The augustalis continued to be struck in the regno throughout the rest of the reign, and was even continued by later kings.
Sambon and others have supposed that augustales in Frederick's name continued to be issued [by his successors] down to 1266, which is possible but unsupported by positive evidence.
{{cite book}}
: CS1 maint: location missing publisher (link) (cited in Rossi, Marinella (2013). La borsa di Roma dal 1847 al 1860 [The Rome Stock Exchange from 1847 to 1860] (PDF) (Thesis) (in Italian). Tesionline. p. 1. Archived (PDF) from the original on 27 September 2007. Retrieved 4 February 2010. (first degree thesis)){{cite book}}
: CS1 maint: location missing publisher (link) (cited in Rossi, Marinella (2013). La borsa di Roma dal 1847 al 1860 [The Rome Stock Exchange from 1847 to 1860] (PDF) (Thesis) (in Italian). Tesionline. p. 1. (first degree thesis)){{cite book}}
: CS1 maint: location missing publisher (link) (cited in Rossi, Marinella (2013). La borsa di Roma dal 1847 al 1860 [The Rome Stock Exchange from 1847 to 1860] (PDF) (Thesis) (in Italian). Tesionline. p. 1. Archived (PDF) from the original on 27 September 2007. Retrieved 4 February 2010. (first degree thesis)){{cite book}}
: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)