| protectworldheritage.org | Protect World Heritage |
| icomos.org | International Council on Monuments and Sites |
| chwb.org | Kulturarv Utan Gränser |
| akdn.org | Historic Cities Support Programme |
| sajep.org.br | Sociedade dos Amigos dos Jardins Europa e Paulistano |
| monumento.com | Promotion of Monuments in Curaçao |
| iccrom.org | International Centre for the Study of the Preservation and Restoration of Cultur |
| antaisce.org | An Taisce: The National Trust for Ireland |
| unesco.org | World Heritage |
| tripod.com | Committee of Struggle against Gold Mining in Chalkidiki |
United States , Colorado , Denver