Analysis of information sources in references of the Wikipedia article "Zaleucus" in English language version.
image of p.381 at Google Books ( https://books.google.com/books?id=fSwCAAAAQAAJ&pg=PA381&img=1&zoom=3&hl=en&sig=ACfU3U3RdPAAR0f2mbO32thD3-afsuvj6Q&ci=83%2C745%2C743%2C590&edge=0 )
{{cite book}}
: External link in |quote=
(help)