Months of Summer from the Nativity of Christ 1789, which is simple, containing 365 days, composed for the nobles of the Russian Empire. In Russian (ask us if in doubt)/Mesyatseslov na leto ot rozhdestva Khristova 1789, kotoroe est prostoe, soderzhashchee v sebe 365 dney, sochinennyy na znatneyshie mesta Rossiyskoy Imperii. Saint Petersburg at the Imperial Academy of Sciences. 1789. 160 p. SKUalb832b7632466b3384.