Russkaya Pravda
Tikhomirov was born and spent his whole life in Moscow, where he was in charge of the Archaeographic Commission of the Academy of Sciences of the USSR (to which he was elected a corresponding member in 1946 and full member in 1953). He was responsible for the Soviet edition of the Full Collection of Russian Chronicles and edited collections of many other medieval documents, including the "Russkaya Pravda" and "Sobornoye Ulozhenie".