* [[RES (Regesta Ecclesiastica Salisburgensia)]]: [https://res.icar-us.eu/index.php/Holb%C3%B6ck,_Carl_(1905-1984) ''Holböck, Carl (1905-1984)''] | * [[RES (Regesta Ecclesiastica Salisburgensia)]]: [https://res.icar-us.eu/index.php/Holb%C3%B6ck,_Carl_(1905-1984) ''Holböck, Carl (1905-1984)''] |