Basic Japanese-English dictionary (Kiso Nihongo gakushu jiten)
The Japan Foundation (2004)
Designed for beginner level foreign learners.
It uses both furigana (to help with pronunciation) and romanization (e.g. index in Romaji).
Includes 'A short Japanese grammar', compiled by Nobuko Mizutani (pp. 930-960); Katakana glossary; and Alphabetical Index.
JAP DICO 3a Open access