Directories

book that lists phone numbers of people and businesses

Wikimedia list of lists

Catholic Holy See annual directory

curated list of peer-reviewed open-access journals

directory of Europe's royalty and higher nobility, also including the major governmental, military and diplomatic corps, as well as statistical data by country

database used for storing contact details

Repository of data about research herbarium, most importantly standarized codes.

yearly publication of most official radio and TV services in the world

encyclopedia

human-edited web directory

German genealogical handbook

printed or web-based listing of businesses by category

weekly public domain directory published by the United States CIA