Bruce, Peter Henry. Memoirs of Peter Henry Bruce, Esq. a Military Officer, in the Services of Prussia, Russia, and Great Britain. Containing an Account of his Travels. J. and R. Byrn, 1783.
Collyer, A. D., ed. The Despatches and Correspondence of John, Second Earl of Buckinghamshire, Ambassador to the Court of Catherine II of Russia, 1762–1765, Vol. 1. Longmans, Green, and Co., 1900. *
— — —. The Despatches and Correspondence of John, Second Earl of Buckinghamshire, Ambassador to the Court of Catherine II of Russia, 1762–1765, Vol. 2. Longmans, Green, and Co., 1902. *
* (These volumes are long, so read selectively.)
Crull, Jodocus. The Antient and Present State of Muscovy: Containing a Geographical, Historical and Political Account of All Those Nations and Territories Under the Jurisdiction of the Present Czar. A. Roper and A. Bosvile, 1698.
— — —. The Present Condition of the Muscovite Empire, Till the Year 1699: In Two Letters: The First from a Gentleman who was Conversant with the Muscovite Ambassadour in Holland; the Second from a Person of Quality at Vienna, Concerning the Late Muscovite Embassy, His Present Czarish Majesty; the Russian Empire; and Great-Tartary. With the Life of the Present Emperour of China, by Father J. Bouvet, missionary; by the Author of The Patient and Present State of Muscovy. F. Coggan, 1699.
Gustav III, King of Sweden. The Danger of the Political Balance of Europe. Translated by Hervey Redmond Morres, 2nd Viscount Mountmorres. Graisberry & Campbell, 1790.
Harris, James. Diaries and Correspondence of James Harris, First Earl of Malmesbury, Containing an Account of His Missions to the Courts of Madrid, Frederick the Great, Catherine the Second, and the Hague and His Special Missions to Berlin, Brunswick, and the French Republic, Vol. 1. Edited by James Howard Harris. R. Bentley, 1844.
— — —. Diaries and Correspondence of James Harris, First Earl of Malmesbury, Containing an Account of His Missions to the Courts of Madrid, Frederick the Great, Catherine the Second, and the Hague and His Special Missions to Berlin, Brunswick, and the French Republic, Vol. 2. Edited by James Howard Harris. R. Bentley, 1844.
— — —. Diaries and Correspondence of James Harris, First Earl of Malmesbury, Containing an Account of His Missions to the Courts of Madrid, Frederick the Great, Catherine the Second, and the Hague and His Special Missions to Berlin, Brunswick, and the French Republic, Vol. 3. Edited by James Howard Harris. R. Bentley, 1844.
— — —. Diaries and Correspondence of James Harris, First Earl of Malmesbury, Containing an Account of His Missions to the Courts of Madrid, Frederick the Great, Catherine the Second, and the Hague and His Special Missions to Berlin, Brunswick, and the French Republic, Vol. 4. Edited by James Howard Harris. R. Bentley, 1844.
Tolstoi, Peter. The Travel Diary of Peter Tolstoi: A Muscovite in Early Modern Europe. Translated by Max J. Okenfuss. Northern Illinois University Press, 1988. ISBN: 9780875801308. (Diaries of Peter the Great’s envoy in Europe, the one who lured Aleksei back to Russia to meet his fate. These diaries date from the end of the 17th century.)
Wallace, Donald Mackenzie, Sir. Russia. CreateSpace Independent Publishing Platform, 2017. ISBN: 9781977634047. (Account by an insightful foreign observer, fluent in Russian.)
Weber, Friedrich C. Present State of Russia (Russia through European Eyes). Routledge, 1968. ISBN: 9780714615448. (This is long! Read selectively.)
Whitworth, Charles, Baron. An Account of Russia as It Was in the Year 1710. Strawberry-Hill, 1758.
