Problems in public expenditure analysis papers presented at conference of experts held September 15-16 1966

The Encyclopedia of U.S. Government benefits : a complete, practical and convenient guide to United States Government benefits available to the people of America / written by a group of Government experts;

Arithmetic algebraic geometry : proceedings of a conference held at Purdue University December 5-7, 1963 / edited by O.F.G. Schilling

Plain bearings : energy efficiency and design : papers presented at a seminar organized by the Institution of Mechanical Engineers, and held at the Institution of Mechanical Engineers on 10 November 1992

Public administration in developing countries proceeding of an international conference held in Bogota, Colombia, April 15-21, 1963, under the auspices of the advanced school of public administration