12th session of the World Heritage Committee
Brasilia, Brazil 5-9 December 1988
12 COM XB.34-40
Monitoring of the State of Conservation of the World Heritage Cultural Properties: General Issues
12 COM XIV.61-63
Nominations to the World Heritage List and to the List of World Heritage in Danger: Overview
12 COM XIV.64
Request to Study Modalities of a Proposal with Respect to Major Monuments Belonging to the Holy See in Rome
12 COM XIVA
Inscription: Canterbury Cathedral, St. Augustine's Abbey and St. Martin's Church (United Kingdom)
12 COM XIVD
Deferred Inscription on the List of World Heritage in Danger: Wieliczka Salt Mine (Poland)