- ru.m.wikipedia.org Файл:Johann Peter Hasenclever - Bildnis der Emilie…Emilie Preyer, born Lachenwitz, was the wife of the painter Johann Wilhelm Preyer (1803-1889).
- artsandculture.google.com entity/Газенклевер-…www.wikidata.org Portrait of Emilie Preyer - Wikidata.
- wiki2.org ru/Файл:Johann_Peter_Hasenclever_-_…Emilie Preyer, born Lachenwitz, was the wife of the painter Johann Wilhelm Preyer (1803-1889).
- artchive.ru artists/67316~Iogann_Peter_…
- youtube.com watchYayınlandı8 Ara 2017Bulunamadı: газенклевер, preyer
- tr-tr.facebook.com ArtWorkgallery.ru/posts/…
- mutualart.com Artist/Johann-Peter-Hasenclever/…Johann Peter Hasenclever Two Portraits of the Married Couple Karl Hürxthal and his Wife Ida.Bulunamadı: иоганн, газенклевер
- tr.pinterest.com pin/311803974200141140/
- ru.ruwiki.ru wiki/Газенклевер,_Иоганн_Петер
- artvee.com artist/emilie-preyer/
- pinterest.fr pin/453948837424820896/
- veryimportantlot.com ru/overview/author/johann-…