chapter A to Z -- chapter B -- chapter C C -- chapter D -- chapter E -- chapter F -- chapter G -- chapter H -- chapter I I -- chapter J -- chapter K -- chapter L L -- chapter M -- chapter N -- chapter O -- chapter P -- chapter Q -- chapter R -- chapter S -- chapter T -- chapter U -- chapter V V -- chapter W -- chapter X X -- chapter Y -- chapter Z -- chapter Airlines of the World -- chapter Air-Pollution Index -- chapter Airports of the World -- chapter American States and Capitals -- chapter Astronomical Constellations and Stars -- chapter Astronomical Symbols -- chapter Bafflegab Divulged -- chapter Bell Code from Bridge or Pilothouse to Engine Room -- chapter Birthstones—Ancient and Modern -- chapter British Counties Abbreviated -- chapter Canadian Provinces, Territories and Capitals -- chapter Capitals of Nations, Provinces, Places, and States -- chapter C C-B (Citizen’s-Band) Radio Frequency Shortwave Call Signs -- chapter Chemical Element Symbols, Atomic Numbers, and Discovery Data -- chapter Civil and Military Time Systems Compared -- chapter Climatic Region Symbols -- chapter Corrections Facilities and Criminalistic Terms -- chapter Currencies of the World -- chapter Diacritical and Punctuation Marks -- chapter Dysphemistic Place Names -- chapter Earthquake Data (Richter Scale) -- chapter Emoticons -- chapter Eponyms, Nicknames, and Geographical Names -- chapter Finishing Port Registration Symbols: (Distinguishing Letters) -- chapter Greek Alphabet -- chapter International Civil Aircraft Markings -- chapter International Conversions Simplified -- chapter International Radio Alphabet and Code -- chapter International Symbols -- chapter International Vehicle License Letters -- chapter International Yacht Racing Union Nationality Codes -- chapter Inventions and Inventors -- chapter Irish Counties Abbreviated -- chapter Mexican State Names and Abbreviations -- chapter Musical Nicknames and Superlatives -- chapter National Capitals -- chapter National Holidays -- chapter National Parks in Canada -- chapter National Parks in the United States -- chapter Numbered Abbreviations -- chapter Numeration -- chapter Oldest North American Settlements -- chapter Phobias -- chapter Ports of the World -- chapter Presidents and Vice Presidents of the United States -- chapter Principles, Laws, Rules, Theories, and Doctrines -- chapter Proofreader’s Marks -- chapter Railroad Conductor’s Cord-Pull Signals Plus Engineer’s Whistle Signals -- chapter Railroads of the World -- chapter Roman Numerals -- chapter Rules of the Road-at Sea -- chapter Russian Alphabet (transliterated) -- chapter Ship's Bell Time SIgnals -- chapter Signs and Symbols Frequently Used -- chapter States, Nations, and Territories -- chapter Steamship Lines -- chapter Superlatives -- chapter U.S. Naval Ship Symbols.