Keywords: Messerschmidt, Daniel Gottlieb ; Udmurt philology ; Udmurt language Glossaries, vocabularies, etc ; Early works to 1800 ; Udmurt language Lexicography ; Early works to 1800 ; Udmurts Social life and customs ; Ethnology Russia (Federation) ; Udmurtii︠a︡ (Russia) ; Philologists Diaries ; German ; Udmurtii︠a︡ (Russia) Social life and customs ; Siberia (Russia) Early works to 1800 ; Description and travel ; Quelle ; Quelle ; Messerschmidt, Daniel Gottlieb 1685-1735 ; Sibirien ; Reisebericht ; Geschichte 1720-1726 ; Udmurten ; Geschichte 1726 ; Messerschmidt, Daniel Gottlieb 1685-1735 ; Udmurten