Roget's Thesaurus
Peter Mark Roget
The 1990 CIA World
US Central Intelligence Agency
The 1991 CIA World Factbook
The Jargon File, Version 2.9.10, 01 Jul 1992
Various
The 1992 CIA World Factbook
LOC Workshop on Electronic Texts
Library of Congress
The 1993 CIA World Factbook
The Communist Manifesto
Karl Marx & Friedrich Engels
Price/Cost Indexes from 1875 to 1989
United States
Anomalies and Curiosities of Medicine
George Gould & Walter Lytle Pyle
An Alphabetical Catalogue of New Works in General and Miscellaneous Literature
Brown, Green, & Longmans
NREN for All
Jean Armour Polly