Ulrike Sophie, Mecklenburg-Schwerin, Herzogin Landesbibliographie MV, DbA I 818,93
Sources
Found inLandesbibliographie MV
Image [Georg David Matthieu / Christie's, LotFinder: entry 1429001 (sale 2408, lot 19, Amsterdam, 24 March 1999, Art and Antiques from German Noble Houses) -- Public domain -- http://commons.wikimedia.org/wiki/File:Princess Ulrike Sophie of Mecklenburg-Schwerin in 1765 (Georg David Matthieu).jpg]