Dictionary of Staff.
Consultants and Contributing Editors.
Guide to Dictionary.
Guide to Pronunciation.
Dictionaries of English (Sidney I. Landau).
Webster's New World College Dictionary
Rules of Punctuation.
Nations of the World.
World City Populations.
U.S. Cities by Population.
U.S. Metropolitan Core Areas by Population.
Cities of Canada by Population.
Continents of the World.
Oceans and Seas of the World by Size.
Largest Lakes of the World.
Longest Rivers of the World.
Hoghest Mountains of the World.
Names for Large Numbers.
Books of the Bible.
American Sign Language (ASL).
Commonly Used Weights and Measures.
Periodic Table of Chemical Elements.
Alphabetical List of the Chemical Elements.
Geologic Time Chart.
The Brightest Stars.
The 88 Constellations.
Planets of the Solar System.
Hurricane Damage Potential Scale.
Tornado Damage Potential Scale.
Richter Scale for the Comparative Magnitude of Earthquakes.
Modified Mercalli Scale for Earthquake Destructiveness.
Presidents of the United States.
The Declaration of Independence.
Constitution of the United States.
Amendments to the Constitution of the United States.