Dmitry Krivoshey; Valentin Skurlov; Nicholas B.A. Nicholson (January 2017). Fabergé: The Imperial "Empire" Egg of 1902. New York: Harrison, Piper & Co. Archived from the original on 18 October 2021. Retrieved 30 August 2019.
Hillwood Museum have identified the Twelve Monograms Egg previously dated to 1895 as the Alexander III Portraits Egg of 1896, Artdaily.comArchived 16 April 2014 at the Wayback Machine
Hillwood Museum have identified the Twelve Monograms Egg previously dated to 1895 as the Alexander III Portraits Egg of 1896, Artdaily.comArchived 16 April 2014 at the Wayback Machine
"Mieks Fabergé Eggs". www.wintraecken.nl. Archived from the original on 29 September 2022. Retrieved 10 October 2023.
Dmitry Krivoshey; Valentin Skurlov; Nicholas B.A. Nicholson (January 2017). Fabergé: The Imperial "Empire" Egg of 1902. New York: Harrison, Piper & Co. Archived from the original on 18 October 2021. Retrieved 30 August 2019.