The Segusium (Society for Research and Studies of Susa valley) is a non-profit organization founded by December 7, 1963.
Severino Savi; Giulio Fabiano; Lino Bortolo Perdoncin; actually, president is Germano Bellicardi.
The magazine has been direct by Clemente Blandino; Augusto Doro; Ferruccio Pari; Alfredo Gilibert; Tullio Forno; from 1999 to 2015 director was Piero Del Vecchio, assisted by an Editorial Committee; from 2016 is Valter Giuliano.
The publication of the miscellaneous magazine that takes the name of the association on an almost annual basis has been accompanied over the years by monographic or monothematic issues: on the Treaty of Bruzolo of 1610, on the Novalesa Abbey and on the characteristic village feet of the Mont Cenis, on the agricultural life of the 18th century in the ancient ècarton of Oulx, on the renewal of ecclesiastical buildings in the Upper Susa Valley from the Counter-Reformation to the 18th century, on the archaeological excavations at Maddalena di Chiomonte.
In 2018 the magazine published a reasoned index of the 1964-2018 vintages, in paper and also computer format, on the association's website.