12COM III.6 Adoption of the Agenda Year: 1988
12COM IV.7 Election of Chairperson, Rapporteur and Vice-Chairpersons Year: 1988
12COM V.8-9 Report on Activities Untertaken Since the Eleventh Session Year: 1988
12COM VII.12-19 Report of the Working Group Established by the Committee at its Eleventh Session Year: 1988
12COM VIII.20-27 Revision of the Operational Guidelines Year: 1988
12COM IX.28-32 Examination of Nominations with a Combination of Cultural and Natural Elements Year: 1988
12COM X.A SOC: Ngorongoro Conservation Area (Tanzania) Year: 1988 Sites: Ngorongoro Conservation Area Country: Tanzania, United Republic of
12COM X.A SOC: Djoudj National Park (Senegal) Year: 1988 Sites: Djoudj National Bird Sanctuary Country: Senegal
12COM X.A SOC: Tai National Park (Cote d'Ivoire) Year: 1988 Sites: Taï National Park Country: Côte d'Ivoire
12COM X.A SOC: Rio Platano Biosphere Reserve (Honduras) Year: 1988 Sites: Río Plátano Biosphere Reserve Country: Honduras
12COM X.A SOC: Yellowstone National Park (USA) Year: 1988 Sites: Yellowstone National Park Country: United States of America
12COM X.B.34-40 Monitoring of the State of Conservation of the World Heritage Cultural Properties: General Issues Year: 1988 Sites: Island of Gorée, Mont-Saint-Michel and its Bay Country: France, Senegal
12COM X.B.41-43 SOC: Old Quebec (Canada), Goreme (Turkey) & Studenica Monastery (Yugoslavia) Year: 1988 Sites: Göreme National Park and the Rock Sites of Cappadocia, Historic District of Old Québec, Studenica Monastery Country: Canada, Serbia, Turkey
12COM XI.44-48 Promotional Activities Year: 1988
12COM XII.57 Donation for Use in the Preservation of the Great Wall (China) and Venice (Italy) Year: 1988 Sites: The Great Wall, Venice and its Lagoon Country: China, Italy
12COM XII.49-56 Situation of the World Heritage Fund and Budget for 1989 Year: 1988
12COM XIII.58-59 Requests for International Assistance Year: 1988 Sites: Ancient City of Polonnaruwa, Ancient City of Sigiriya, Bahla Fort, Durmitor National Park, Galápagos Islands, Garamba National Park, Jesuit Missions of the Guaranis: San Ignacio Mini, Santa Ana, Nuestra Señora de Loreto and Santa Maria Mayor (Argentina), Ruins of Sao Miguel das Missoes (Brazil), Ngorongoro Conservation Area, Sacred City of Anuradhapura, Talamanca Range-La Amistad Reserves / La Amistad National Park, Tassili n'Ajjer, Temple of Apollo Epicurius at Bassae, Virunga National Park Country: Algeria, Brazil, Costa Rica, Democratic Republic of the Congo, Ecuador, Greece, Montenegro, Oman, Sri Lanka, Tanzania, United Republic of
12COM XIV.64 Request to Study Modalities of a Proposal with Respect to Major Monuments Belonging to the Holy See in Rome Year: 1988
12COM XIV.61-63 Nominations to the World Heritage List and to the List of World Heritage in Danger: Overview Year: 1988
12COM XIV.A Inscription: Wet Tropics of Queensland (Australia) Year: 1988 Sites: Wet Tropics of Queensland Country: Australia