Central Committee of the World Council of Churches (1961–77), he participated in general congresses at New Delhi (1961), Uppsala (1969) and Nairobi (1975) as well as at the annual sessions of the Central Committee at Paris (1962), Geneva (1966, 1973 and 1976), Heraklion (1967), Canterbury (1969), Addis Ababa (1971), Utrecht (1972), Berlin (1974), etc. He was part of the Presidium of the Conference of European Churches and of its Consultative Committee, participating in the Nyborg IV (1964), Nyborg V (1966), Nyborg VI (1971) and Engelberg (1974) General Assemblies, as well as at sessions of the Presidium and the Consultative Committee. He led delegations of the Romanian Orthodox Church to pan-Orthodox conferences at Rhodes (1961, 1963, 1964) and Chambesy (1968), and to the first preparatory conference of the Holy and Great Pan-Orthodox Synod (Chambesy, 1971). As metropolitan, he published numerous articles, pastoral letters, speeches and editorials, especially in the magazine Mitropolia Moldovei și Sucevei, which appeared for twenty years under his direct supervision. In addition, the Iaşi Metropolitan Centre edited other works, among them Monumente istorice-bisericești din Mitropolia Moldovei și Sucevei (1974) and Psaltirea în versuri a lui Dosoftei, ediție critică (1975); the monographs Catedrala Mitropolitană din Iașui and Mănăstirea Cetățuia (both 1977); brochure-albums to popularise the monasteries of Moldavia, prayer books, etc. Patriarch of the Romanian Orthodox Church Patriarch Justinian died in March 1977. On June 12, 1977, Metropolitan Iustin was elected Archbishop of Bucharest, Metropolitan of Ungro-Vlachia, Patriarch of All Romania. He was enthroned at the Romanian Patriarchal Cathedral, Bucharest, on June 19, 1977. Iustin remained in office until he died in Bucharest on July 31, 1986, and was buried in the Patriarchal Cathedral. As patriarch, he led several synodal delegations to other churches: the Ecumenical Patriarchate (1978), the Orthodox Church in America Romanian Episcopate (1979), the Russian Orthodox Church (1980), the Serbian Orthodox Church (1981), the Church of Sweden (1981), the Geneva headquarters of the World Council of Churches (1981), the Bulgarian Orthodox Church (1982), the Reformed Church in Hungary (1982) and the Church of Greece (1984). In return, he was visited by a number of church leaders, as well as by numerous representatives of other churches and Christian denominations from all over the world. Patriarch Iustin paid special attention to publishing activity. He began the great collection Părinți și scriitori bisericești (projected to span 90 volumes), as well as the six-volume set Arta creștină în România. A