Some of the Dictionaries I used, in addition to various native websites quoting limited numbers of words used in native languages and dialects, are:

• Engelsk Dansk
• Petit Larousse Ilustre
• Tysk Svensk Ordbok
• Kenkyusha's New School English-Japanese Dictionary
• Langenscheidt's Shorter Dictionary (Latin-English, English-Latin)
• Dr. Janko Kotnik: Slovensko-Angleski Slovar/ Slovene-English
• Ruzena Skerl: English Slovene Dictionary
• Compact Edition of the Oxford English Dictionary (2 Volumes)
• Langenscheidt's Enzyklopidisches Woerterbuch - English Deutsch (2 Volumes)
• J. Batchelor: Ainu-English-Japanese Dictionary