TY - BOOK TI - The National geographic magazine VL - v.40:no.1-6 (1921) UR - https://www.biodiversitylibrary.org/item/129927 PB - National Geographic Society CY - Washington PY - 1921 SN - 1044-6613 N1 - "Official journal of the National Geographic Society." AU - National Geographic Society (U.S.) KW - Geography KW - Periodicals ER -