[Author(s)] [Title] Avestan Digital Archive (ADA). [Source] [Volume] [Number] [Publication City] [Publisher] [Date] [Format] (Website) ---------------------------------------- [Author(s)] Skjaervo, P. Oktor. [Title] Introduction to Old Avestan. [Source] [Volume] [Number] [Publication City] [Publisher] [Date] [Format] (Book) ---------------------------------------- [Author(s)] Skjaervo, P. Oktor. [Title] Introduction to Young Avestan. [Source] [Volume] [Number] [Publication City] [Publisher] [Date] [Format] (Book) ---------------------------------------- [Author(s)] Skjaervo, P. Oktor. [Title] Iranian Studies at Harvard University. [Source] [Volume] [Number] [Publication City] [Publisher] [Date] [Format] (Website) ---------------------------------------- [Author(s)] Skjaervo, P. Oktor. [Title] Iranian Studies at Harvard University. [Source] [Volume] [Number] [Publication City] [Publisher] [Date] [Format] (Website) ----------------------------------------