Rulers and governments of the world
Spuler, Bertold.
Allen, C. G.(Charles Geoffry)
Saunders, Heil.
Fletcher, John,1934-
London Bowker,
1977
Translation and revision of: 'Regenten und Regierungen der Welt'. 2ed. Part of Vol.4, appendix to Vol.4 and Vol.5. Würzburg : Ploetz, 1964-1972
Heads of state.
Cabinet officers.