Paul I of Russia (English Wikipedia)

Laurence Spring. Russian Grenadiers and Infantry 1799-1815. Ed. Osprey Publishing, 2002. ISBN 9781841763804. Pg. 56
Count Cherep-Spriridovich. The Secret World Government Or "The Hidden Hand": The Unrevealed in History. Ed. Osprey Publishing, 2002. ISBN 9781841763804. p. 79
Newton, Michael (2014). "Paul I of Russia (1754-1801)". Famous Assassinations in World History: An Encyclopedia. Vol. 1. Santa Barbara, California: ABC-CLIO. p. 411. ISBN 9781610692861. Retrieved 2019-05-27. The plot's mastermind was Count Nikolay Alexandrovich Zubov .... Count Zubov hatched the conspiracy with Count Peter Alekseyevich Pahlen .... Allegedly financed by Zubov's sister, Olga Zherebetsova, with funds procured from her lover -- Charles Whitworth, 1st Earl Whitworth, Britain's envoy-extraordinary and minister-plenipotentiary at St. Petersburg under Catherine -- the conspirators recruited others.
Genealogie ascendante jusqu'au quatrieme degre inclusivement de tous les Rois et Princes de maisons souveraines de l'Europe actuellement vivans [Genealogy up to the fourth degree inclusive of all the Kings and Princes of sovereign houses of Europe currently living] (in French). Bourdeaux: Frederic Guillaume Birnstiel. 1768. p. 23.

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Marbot, Jean. (Oliver C. Colt, trans.) The Memoirs of General the Baron de Marbot, Volume 2, Chapter 3 "The intrigues of Count Czernicheff"

"Briefe der Großfürstin Wilhelmine (Natalija) an ihre Mutter [Karoline]" [Letters from Grand Duchess Wilhelmine (Natalija) to her mother [Karoline]] (in German). Hessisches Staatsarchiv Darmstadt.
"Korrespondenz des Landgrafen Ludwig IX. mit seiner Tochter Großfürstin Natalija von Russland, seinem Schwiegersohn Großfürst Paul und dem russischen Hof" [Correspondence of Landgrave Ludwig IX. with his daughter Grand Duchess Natalija of Russia, his son-in-law Grand Duke Paul and the Russian court] (in German). Hessisches Staatsarchiv Darmstadt.

Safonov, M. M. "О происхоҗдении Павла І" [About the origin of Paul I]. history-gatchina.ru (in Russian). Retrieved 12 July 2021.

"König Friedrich (1754-1816) - Briefwechsel mit dem kaiserlichen Hause von Russland - 3. Briefwechsel mit Kaiser Paul, 1776-1801" [King Frederick (1754-1816) - Correspondence with the Imperial House of Russia - 3. Correspondence with Emperor Paul, 1776-1801] (in German). Hauptstaatsarchiv Stuttgart. Retrieved 22 November 2021.
"Herzog Friedrich Eugen (1732-1797) - Briefwechsel des Herzogs mit dem kaiserlichen Hause von Russland, 1776-1797" [Duke Friedrich Eugen (1732-1797) - Correspondence of the Duke with the Imperial House of Russia, 1776-1797] (in German). Hauptstaatsarchiv Stuttgart. Retrieved 22 November 2021.

"History After Malta". Spirituallysmart.com. Archived from the original on 2013-05-21. Retrieved 2013-09-12.

""Russian military parade", Alexandre Benois, 1907". Archived from the original on 2021-10-23. Retrieved 2012-09-23.
The 79 Grand Masters Archived 2011-11-13 at the Wayback Machine – official website of the Sovereign Military Order of Malta
"History After Malta". Spirituallysmart.com. Archived from the original on 2013-05-21. Retrieved 2013-09-12.