Austria. 14 books/publications including Ferchenbauer Spezial in 4 volumes (Vienna 2008), Postablagen in Österreich by Gerhard Kühnel (Vienna 2005), Zivilpost-Zensur in Österreich-Ungarn 1914-1918 by Horst Thielk (Graz 2000), 100 Jahre Österreichische Portomarken by Ernst Bernardini (Vienna 1994) etc.