Adam Olearius (actually Oehlschlegel or Ölschläger; baptised in 1599 in Aschersleben – 1671 at Gottorf Castle, now part of Schleswig) was a German writer, scholar and diplomat.
Volga. "Nova et Accurata Wolgae Fluminis ... Delineatio". Orig. copperplate engraving after A. Olearius' map. Published by Schenk and Valk in Amsterdam, ca. 1700. With fig. title cartouche. 46:54 cm.