An impersonal reference to a similar portrait taken at the same time will be found at page 184, in the article on 'The Calotype.
"Leading Articles on Various Subjects"
Hugh Miller
Phreno-mesmerism and the Calotype have been introduced to the Edinburgh public about much the same time; but how very differently have they fared hitherto!
"Leading Articles on Various Subjects"
Hugh Miller
At length, however, have we the lines of discovery indicated: in the architectural drawings of the Calotype the perspective is that of nature itself; and to arrive at just conclusions, we have but to measure and compare, and ascertain proportions.
"Leading Articles on Various Subjects"
Hugh Miller