TY - BOOK ED - United States TI - Principal officers of the Department of State and United States chiefs of mission, 1778-1990 T2 - Department of State publication SN - 0160268125 PY - 1991///] CY - [Washington, DC] PB - The Department, [For sale by the Supt. of Docs., U.S. G.P.O. KW - Diplomats KW - United States KW - Registers KW - Local N1 - Cover title; Shipping list no.: 91-237-P; "January 1991"--P. [i]; Includes index ER -