Dictionaries
Japanese to English
*Progressive (3rd Ed.) Dictionary - 90,000 entries
*Kenkyusha (5th Ed.) Dictionary - 480,000 entries
*Technical Translator Term Dictionary - 1,000,000 terms
English to Japanese
*Reader's (2nd Ed.) Dictionary - 270,000 entries
*Reader's Plus Dictionary - 190,000 entries
*Random House (2nd Ed.) Dictionary - 345,000 entries
*Genius Dictionary - 255,000 entries
*Kenkyusha New Edition English Collocution Dictionary - 380,000 entries
*Technical Translator Term Dictionary - 1,000,000 terms
English
*Oxford Dictionary of English - 355,000 entries
*New Oxford American Dictionary - 250,000 entries
*Oxford Thesaurus of English - 600,000 entries
*Oxford Collocations Dictionary - 150,000 collocation words
*Oxford Advanced Learner's Dictionary - 183,500 entries
*Longman Dictionary - 207,000 entries
Japanese
*Kojien (6th Ed.) - 240,000 entries/2,800 diagrams
*Meikyo Dictionary - 70,000 entries and Japanese audio for 10,000 words
*Nihon Kokugo Daijiten - 30,000 entries/3,000 diagrams
*New Kangorin Kanji Dictionary - 14,353 characters/42,000 kanji compounds
*NHK Japanese Accent Guide - 69,000 entries
*Modern Katakana Dictionary - 13,200 entries
*Zen'yaku Kogo Jiten Classical Japanese (3rd Ed.) Dictionary - 22,500 entries
*Japanese proverb dictionary - 4,500 entries
*Four-kanji phrase dictionary - 1,450 entries
Encyclopedias
*Encylopedia Britannica - 154,000 entries (Japanese)
*Mypedia with 66,000 entries/1,800 diagrams (Japanese)
*Encyclopedia of Japanese History - 27,000 entries / 320 illustrations (Japanese)