19th century Mongolian alphabet and syllabary - 12.
Schmidt, Isaak Jakob, 1779-1847
1832
EXTRACTED FROM THIS PUBLIC DOMAIN BOOK: <a rel="nofollow" class="external autonumber" href="https://archive.org/details/grammatikamongol00schm/page/n17/mode/2up">[1]</a> (INTERNET ARCHIVE).