Japanese Language
Practical Japanese for work and bureaucracy.
How To Find Cheap - or Free - Japanese Lessons in Tokyo
(tokyoweekender.com)
A roundup of where to find low-cost or free Japanese classes across Tokyo's wards, beyond any single ward's program.
Free Japanese Language Lessons "Nihongo Hiroba" - Shinjuku City
(foreign.city.shinjuku.lg.jp)
Shinjuku City's official, no-registration-required free Japanese conversation and kanji classes for residents 15 and older.
Business Japanese: The Ultimate Guide
(japan-dev.com)
Covers the three forms of keigo and where foreigners most often mix them up - sonkeigo vs. kenjougo confusion is the classic mistake.