Topografičeskaja meževaja karta Tverskoj Gubernii Korčevskago Uĕzda : iz atlasa, sostavlennago v 1848 i 1849m godach Činami Meževago Korpusa i Oficerami Topografov voennago vjudomstva
Version 3 can be requested by using "Content Negotiation" as described in IIIF API Version Switching