Zalyalova (Mikheicheva) Valentina L. «The problem of medical personnel shortage in the provinces of the Russian Empire in the second half of the 19th century (based on materials of Vyatka and Kazan provinces)» // Tomsk State University Journal 2017. №417 C.58-62
Belov Sergey G. «Main trends of the factory industry development in Kazan Province in the post-reform period» // Tomsk State University Journal 2014. №389 C.133-138