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

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

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