History Illustrated
Reference:
Ekaterina Dubrovskaya
«Lyubimyi Petergof» imperatora Nikolaya I i imperatritsy Aleksandry Fedorovny. Chast' III. Vokrug Ol'gina pruda
// History Illustrated.
2011. ¹ 4.
P. 4-30.
URL: https://en.nbpublish.com/library_read_article.php?id=64592