A summer in Siberia: the travel and the collection itinerary to the mouth of the Ob River by the botanist and ethno-anthropologist Stéphen Sommier in 1880. - Viciani, Daniele; Dell'Olmo, Lorella; Bernardini, Anna; Donatelli, Anna; Nepi, Chiara; Roselli, Maria Gloria; Lastrucci, Lorenzo (Journal of Maps, 2025)