JOHANN FRIEDRICH PENTHER (1693–1749), Professor of Mathematics and Economy, General Building Inspector of the University, Johann Jakob Haid, ca. 1750, mezzotint, Art collection of the University of Göttingen
JOHANN FRIEDRICH PENTHER (1693–1749), Professor of Mathematics and Economy, General Building Inspector of the University, Johann Jakob Haid, ca. 1750, mezzotint, Art collection of the University of Göttingen