”Mitchell's New School Atlas” Boston Public Library
Mitchell's modern atlas; drawn and engraved expressly to illustrate Mitchell's new school geography
published 1880
学校用の教材として用いられた地図。
1880年の米国の学校教育で、Tibet は独立国、日本海の表記は Sea of Japan と教えられていた証拠である。
We can find that Tibet is depicted as an independent country and "Sea of Japan" mentioned signage in the map.
Mitchell's modern atlas [cartographic material] : a series of forty-four copperplate maps, compiled from the great atlases of Keith Johnston ... and from other reliable authorities, drawn and engraved expressly to illustrate Mitchell's new school geography ; with important geographical tables, and an extensive pronouncing vocabulary of nearly ten thousand maps : Mitchell, S. Augustus (Samuel Augustus), 1792-1868 : Free Download & Streaming : Internet Archive
by Mitchell, S. Augustus (Samuel Augustus), 1792-1868; J.H. Butler & Co
Published 1880
https://archive.org/stream/mitchellsmoderna00mitc_0#page/n43/mode/1up
Sea of Japan は、1880年の学校教育で教えられていた。
https://archive.org/stream/mitchellsmoderna00mitc_0#page/n44/mode/1up
Tibet は独立国として描かれている。