Sören Urbansky, Beyond the Steppe Frontier: A History of the Sino-Russian Border (Princeton, NJ: Princeton University Press, 2020). 367 pp., ills. Bibliography. Index. ISBN: 978-0-691-18168-4. | Ab Imperio
Sören Urbansky, Beyond the Steppe Frontier: A History of the Sino-Russian Border (Princeton, NJ: Princeton University Press, 2020). 367 pp., ills. Bibliography. Index. ISBN: 978-0-691-18168-4.