Yémen (1) Preservation (1) Conservation (1) Employment (1) Antiquities (1) Waqf (1) Goal (Psychology) (1) Manuscripts (1) Library (1) Museums (1) Organization (1) Occupations (1) Estate (1) Patrimonio (1) Organizaciones (1) Museos (1) Restos arqueológicos (1) Trabajo (1) Manuscritos (1) Bibliothèque (1) Travail (1) Protection du patrimoine (1) Patrimoine (1) Mosquée (1) Manuscrits (1) Projet (1) Bibliothèque (1) Conservation (1) Travail (1) Waqfs (1)