UNESCO and ICOMOS regularly publish new documents clarifying and elaborating on the criteria and policies, as well as themes and initiatives, that are used in evaluating the worthiness and readiness of sites, and their management contexts, for World Heritage inscription.
Summary of the World Heritage nomination process prepared by the USA authorities (US National Park Service Office of International Affairs)
A discussion of the changing interpretations of Outstanding Universal Value (OUV, the fundamental criterion for World Heritage inscription, is entitled “What is OUV?”
A Resource Manual from UNESCO on the creation of Site Management Plans was published in 2013.
UNESCO Tourism Guidelines for addressing Tourism Guidelines for addressing the likely impacts on sites by increased numbers of visitors, and the necessary preparations.