Vietnamese Dialect Dictionary – it is the first in its kind Dictionary was compiled by Vietnam Institute for Linguistics. The Dictionary is composed of 14 000 words-units / entries based on written & spoken material resources of selection from 3, 5 millions word-cards keeping in Vietnam Institute for Linguistics; on published materials ( included dictionaries, monographs, dissertations, other writings … ); on linguistic field-work & private notes; on net-linguistic information. It is an useful dictionary for linguistics research circle.