The Biografisches Handbuch: Todesopfer der Grenzregime am Eisernen Vorhang (Biographical Handbook: Fatalities of the border regimes at the Iron Curtain) recalls nearly 300 victims at the inner-German border.

The Brockhaus Enzyklopädie (Encyclopedia) is the most famous reference work in German language and was published by the publishing house F.A. Brockhaus until 2009. After more than 200 years, distribution of the Brockhaus Enzyklopädie was discontinued in 2014, since when it has been published exclusively as online-edition.

The Compendium heroicum reflects the current state of research on heroes and heroines and features detailed illustrations on various phenomena of the heroic, its figures, functions, mediality and practice.

The Deutsches Wörterbuch (DWB) is the largest and most comprehensive dictionary of the German language with word meanings and references. The DWB was started by the brothers Jacob and Wilhelm Grimm in 1838, and finished in 1961, after 123 years. A total of 32 volumes were produced. The revision began at the same time as the work on the first edition was completed. An online version of the DWB (Der Digitale Grimm) has been accessible since June 2002.

The Duden is a dictionary of the German language, and has long been the prescriptive source of German regarding grammar and spelling. It was first published by Konrad Duden in 1880, with regular updates every four or five years. The current edition published in 2020 is the 28th. The Duden dictionary is also available online.

The Encyclopædia Britannica is the oldest English-language general encyclopedia and was first published in 1768 in Edinburgh. The Encyclopædia Britannica relies “upon both outside experts and its own editors with various subject-area proficiencies to write its entries, and has a long-held reputation for readability and accuracy.” In 2012, Encyclopædia Britannica, Inc. announced that future printings would be discontinued and replaced by digital products.

AKC is the online glossary of terms of the Collaborative Research Center 1171 Affective Societies at Freie Universität Berlin.

The Online Compendium on German-Greek Entanglements (ComDeG) is an open access reference work, which will provide scholars, teachers, students and the general public with reliable information on the history of the cultural and scientific entanglements in the Greek-speaking and the German-speaking regions from the 18th century to the present day.

The Oxford English Dictionary (OED) is widely regarded as the accepted authority on the English language, i.e. on the meaning, history, and pronunciation of more than 600,000 words. The OED is a historical dictionary and traces back the historical development of the English language and its many variations, and describes the usage of individual words. Work on the OED began in 1857. The first electronic version of the dictionary was made available in 1989 and an online version in 2000.

Roget’s thesaurus was created by Peter Mark Roget, a British physician and lexicographer, in 1805. The first edition of the now widely used English-language thesaurus was published in 1852 by Longmans, London, covering 15,000 words. The most recent editions (the eighth) contains 443,000 words.

The Germersheimer Übersetzerlexikon UeLEX is a freely accessible, continuously growing interdisciplinary online reference work on translators into German.