AnsetzungsformRogerson, John verwendet in: Integrated Authority File (GND), Germany
Джон СÑмаÑль РоджерÑон (1741-1843) , лейб-медик Екатерины II [Unknown authorUnknown author / This image is available from the New York Public Library's Digital Library under the digital ID 1230583: digitalgallery.nypl.org → digitalcollections.nypl.org -- Public domain -- http://commons.wikimedia.org/wiki/File:RusPortraits v2-064 John Samuel Rogerson.jpg]