English summary: The most extensive collection of Mongolian ethnographica in Europe goes back to the Austrian explorer Hans Leder (1848-1921). In 1892, his entomological studies led him from southern Siberia to Northern Mongolia. During further stays in Mongolia between 1892 and 1905, Leder collected and studied mainly Mongolian-Buddhist ritual items. A portion of his extensive collection is housed in the Museum of Ethnology Vienna, with further...