Collections of Documents and Sources (18th Century)

Dukes, Paul, ed. Russia under Catherine the Great: Catherine the Great's Instruction (Nakaz) to the Legislative Commission, 1767. Oriental Research Partners, 1977. ISBN: 9780892501069.

 — — —. Russia under Catherine the Great: Select Documents on Government and Society. Oriental Research Partners, 1978. ISBN: 9780892501045. (This is an anthology of sources, so you would have to put together a set that makes some common point.)

Putnam, Peter, ed. Seven Britons in Imperial Russia, 1698–1812. Andesite Press, 2017. ISBN: 9781376216837. 

Raeff, Marc, ed. Plans for Political Reform in Imperial Russia, 1730–1905. Prentice Hall, NJ, 1966. ISBN: 9780136794158. (Excerpts from various reform attempts. Examine one or two comparatively.)

 — — —. Russian Intellectual History: An Anthology. Humanities Press and Harvester Press, 1978. ISBN: 9780391009042. 

Richardson, William. Anecdotes of the Russian Empire: In a Series of Letters, Written, a Few Years Ago, from St. Petersburg. W. Strahan, and T. Cadell, 1784.

Segel, Harold E. The Literature of Eighteenth-Century Russia: A History and Anthology, Volume I and Volume II. E.P. Dutton, 1967.