EASTERN EUROPE -- RUSSIA -- "RUSSIÆ vulgo Moscovia dictæ, partes Septentrionalis et Orientalis. Auctore Isaaco Massa". (Amst.), J. & C. Blaeu, (1640-43). Engr. map, cold. in outlines. Latin text on v°. 420 x 540 mm. (Lower marg. rep. on fold on v°, a bit browned in places). -- "MOSCOVIAE PARS AUSTRALIS auctore Isaaco Massa". Amst., J. Janssonius, (c. 1650). Engr. map. Dutch text on v°. 385 x 502 mm. (Sev. tears in the middle, but complete, outer corner rep.). -- And 2 o. (restored) maps of Russia. (4).