Dr. John Nicoll by a member of the English School
Half length portrait of Nicoll wearing black academic dress, collar and wig; he faces slightly to the left of the picture. Inscribed top-left with the name of the sitter.
Dr. John Nicoll by a member of the circle of Sir Joshua Reynolds
Half length, wearing academic dress Later inscribed u.l.: John Nicholl D. D. 1765. Aet. 82
John Nicoll attributed to Joseph Highmore
Three-quarters length portrait of Nicoll standing, turned to the left, wearing academic dress, collar and wig; his right hand holds a cap with a glove in it, while his left is in his pocket.
Highmore, Joseph, 1692-1780