General & Reference

Blackwell Dictionary of Sociology

Complete Dictionary of Scientific Biography

Concise Dictionary of World Place-Names

Dictionary of Abbreviations

Dictionary of First Names

Dictionary of Human Geography (Blackwell)

Dictionary of Human Geography (Oxford)

Dictionary of Journalism

Dictionary of Physical Geography

Dictionary of Scientists

Dictionary of the Social Sciences

Dictionary of Travel and Tourism

Encyclopedia of Aging

Encyclopedia of Science Technology and Ethics

Guide to Countries of the World

Guide to Global Hazards

Houghton Mifflin Dictionary of Geography

International Encyclopedia of the Social Sciences

International Encyclopedia of the Social Sciences

Magic Universe: A Grand Tour of Modern Science

Merriam-Webster's Geographical Dictionary

New Oxford Dictionary for Scientific Writers and Editors

Oxford Companion to the History of Modern Science

Oxford Dictionary of Abbreviations

Oxford Dictionary of American Quotations

Oxford Dictionary of Modern Quotations

Oxford Dictionary of Proverbs

Oxford Dictionary of Quotations

Oxford Dictionary of Scientific Quotations

Oxford Essential Quotations

Oxford Paperback Thesaurus

Penguin Encyclopedia of Places

Penn Center Guide to Bioethics

Philip's World Factbook

Supplementary Dictionary of Transport Studies

Visual English Dictionary

Washington Information Directory

World Encyclopedia

World Flags

World Maps