German military map of Voronezh (Very detailed, with strong points and defensive positions of Soviet Army).
The plan of general land surveying of Voronezh province and Voronezh district (Beginning of XIX century).
Voronezh city map (1910 year).
Voronezh province map (With post roads, 1822 year).
Voronezh province map (End of XIX — beginning of XX century).