Text ( visual ) : unmediated Documentation of the UN system : a survey of bibliographic control and a suggested methodology for an integrated UN bibliography / prepared by John Clews for the IFLA International Office for UBC. -- pbk.. -- London : IFLA International Office for UBC , 1981. -- vi, 20 p. : ill. ; 30 cm. -- (Occasional papers / IFLA International Office for UBC ; no. 8). -- "This paper ... was prepared under a Unesco contract in 1979. The work was commissioned early that year, the research was completed by July, and the final report was submitted in December. It was subsequently submitted by Unesco as a background paper (BP XVII) at the UNITAR 2nd World Symposium on International Documentation, Brussels, 20-22 June 1980." ; Includes bibliographical references. -- ISBN 0903043343 ; (BA07771727) ; https://ci.nii.ac.jp/ncid/BA07771727 Other Title(s): Documentation of the U.N. system. -- Author Heading(s): Clews, John ; IFLA International Office for UBC. -- Classification(s): LCC : JX1977.8.D6 ; DC19 : 025.3/43. -- Subject Heading(s): LCSH : United Nations -- Government publications