Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 8 :
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 8 : "Logarithm" to "Lord Advocate" [electronic resource] /
Various
- Project Gutenberg, 2013
- Project Gutenberg 42342 .
Public domain in the USA.
Electronic text
Public domain in the USA.
Electronic text