^Blitz, Brad K.; Lynch, Maureen, eds. (June 2009). Statelessness and the Benefits of Citizenship: A Comparative Study”(PDF). Geneva Academy of International Humanitarian Law and Human Rights and International Observatory on Statelessness. p. 27. ISBN978-0-9563275-1-2. Retrieved 31 August 2011. [T]he Convention also provides for the issuance of travel documents, this time to stateless persons who are lawfully staying in the territory of a contracting state. The so-called Convention Travel Document (CTD) is designed to function in lieu of a passport—a document that is generally unavailable to stateless persons since it is usually issued by the country of nationality.