Giovanni Segantini learned to draw while earning a living as a boy hearding sheep in the hills of Italy. He finally began to earn a living in Milan as an artist and teacher. Wikipedia page. He was an outsider who spent time in refrom school and eventually lived in isolation in the Alps. WetCanvas biography.
One of his paintings was included in an Italian show from 2003 written about in this article from La Republica.it. Erotico, simbolico o verista un secolo di nudo nella pittura.
Another at Artsblog.it. Alla Galleria Nazionale d'Arte Moderna per capire cos'è il simbolismo.
This one is in Genova, Museo Raccolte Frugon.
Similar symbolist art at the blog La Belle Dame Sans Merci.
Giovanni Segantini 1858-1899
Giovanni Segantini: Luce & Simbolo / Light & Symbol - 1884 - 1899 (NINETEENTH CENTURY ITALIAN ART, 19TH CENTURY ART)
Giovanni Segantini: Luci E Simbolo Light and Symbol 1884-1899
Giovanni Segantini: Exhibition Segantini, Japan 1978. Odakyu Grand Gallery, 2 June - 20 June 1978
Giovanni Segantini Und Das Segantini Museum in St. Moritz
Giovanni Segantini;: The story of his life together with 75 reproductions of his pictures in half tone and photogravure
Giovanni Segantini - Zeichnungen
Segantini: La vita, la natura, la morte : disegni e dipinti (Italian Edition)