Pervyj opyt massovogo učeta archeologičeskich pamjatnikov v Possii (enketa D. Ja. Samokvasova 1872-1873 gg. i ee rezul'taty). The first attempt of mass registration of archaeological sites in Russia (D. Ya. Samokvasov's questionnaire of 1872-1873 and its results). - Ščavelev, S. P. (1992)