http://www.kunsthaus.ch/en/library/digital-library/dictionaries-encyclopedias/

Kunsthaus Zürich

Digital Library

Encyclopedias

Historisches Lexikon der Schweiz

Historisches Lexikon Bayerns

Art History

Reallexikon zur deutschen Kunstgeschichte

Thesauri, Vocabularies

Art & Architecture Thesaurus (AAT) / Getty Reserach Institute

Categories for the Description of Works of Art / Getty Research Institute

Cultural Objects Name Authority / Getty Research Institute

Getty Thesaurus of Geographic Names (TGN) / Getty Reserach Institute

Iconclass / Rijksbureau voor Kunsthistorische Documentatie (RKD)

Library of Congress Authorities

Museumsvokabular.de - Vokabular in der Museumsdokumentation

Nederlands Art and Architecture Thesaurus

OSWD Online Schlagwortnormdatei

Thesaurus for Graphic Materials / Library of Congress

Virtual International Authority File

Language Dictionaries

dict.cc - German - English dictionary

Leo (German - English, French, Spanish, Italian, Chinese, Russian, Portuguese, Polish)

Pons (European languages, image dictionary)

Woxikon (German - English, French, Italian, Spanish, Dutch, Swedish, Portuguese, Russian, Polish, Finnish, Norwegian, Turkish)