Матица сербская
Fabris was also the owner, editor, and co-editor of the periodical "Dubrovnik", between 1897 and 1914 (Miho Vacchetti joined as co-editor in 1904) as well as the manager of Dubrovnik's "Matica srpska". Fabris was a great admirer of Nikola Pašić. He greatly contributed to the initiative to found the ""Srpska Zora"-"Српска зора"" (Serb Dawn), a Dalmatian Serb cultural society in 1901.