Wikipedia: Reference tables

What we have in mind is listings or tabular information for quick reference, not narrative articles.

• Currency codes

Biology

• Genetic code
• Amino acid
• Evolutionary timeline

Chemistry

• Periodic Table

Geology

• Geologic Timescale

Mathematics

• Mathematical constants
• Table of Integrals
• Trigonometric Identities
• Special functions

Physics

• Physical constants

Size, Measurement and Conversions

• SI base units
• SI derived units
• SI prefix
• Unit conversions
• Orders of magnitude
• Cooking/Weights and measures

Computing

• List of algorithms

Communications and Internet

• Country codes
• Country calling codes
• Internet slang
• ASCII

People

• Biographies
• Roman Emperors
• Byzantine Emperors
• Russian Tsars
• Monarchs of England, Great Britain, United Kingdom
• Monarchs of Scotland
• President of the United States of America
• Biblical figures
• Saints
• Popes
• Nobel Prize winners: Physics, Chemistry, Medicine, Literature, Peace, Economics
• Famous gay lesbian or bisexual people
• Listing of noted atheists
• Listing of noted agnostics
• Listing of noted Buddhists
• Listing of noted Deists
• Listing of noted Hindus

Places

• Countries
• Country codes
• FIPS two-letter country codes
• US postal abbreviations
• Capital cities
• Cities
• Time zones
• Colleges and universities by country
• Extinct countries, empires, etc.

Events

• Historical timeline
• Historical anniversaries
• Major cases of genocide and democide

Sports and Games

• Olympic champions

Language and Words

• Acronyms
• Medical acronyms
• Short words
• Language families and languages
• American and British English Differences
• Arabic alphabet
• Braille
• Cyrillic alphabet
• Gothic alphabet
• Hebrew alphabet
• Morse code
• Nato phonetic alphabet
• Runic alphabet

Other

• Wikipedia Cookbook
• Zodiac
• Worldcon/List of worldcons
• VIM/Feature list
• Star Trek/TOS Episode List
• Star Trek/ENT Episode List
• Film noir/Film list
• Reference tables