Currently there are no extensive Estonian and Latvian language dictionaries sufficient for the modern language, the dictionaries published in the middle of the last century are now mostly out-dated, because the language vocabulary is the quickest to react to changes in all aspects of social life. One of the most important tasks of this priority scope is the development of an Estonian-Latvian and Latvian-Estonian dictionary.During this project, a new Estonian-Latvian and Latvian-Estonian dictionary, including an electronic version, will be developed, ensuring widest possible access to the dictionary for all those interested, therefore promoting effective co-operation in the long term, strengthening unity and an immediate flow of inter-country information between Latvia and Estonia. Achievements: The Institute of the Estonian Language and the Latvian Language Agency – partners in the Estonia-Latvia programme supported project „Development of Estonian – Latvian and Latvian – Estonian dictionary“ – finalized the development of new Estonian-Latvian and Latvian-Estonian dictionaries. Both dictionaries include more than 40 000 headwords. The dictionaries were published in April 2015. The Estonian-Latvian dictionary was compiled by Valts Ernštreits, Marika Muzikante and Maima Grīnberga. The chief editor was Valts Ernštreits. The Latvian-Estonian dictionary was compiled by Merle Madisson, Aive Mandel, Tauno Nõulik and Anita Tannenberg. Both dictionaries are available electronically at http://www.eki.ee/dict/et-lv/ and http://www.eki.ee/dict/lv-et/ Information on the project partners’ websites: http://portaal.eki.ee/avalehe-uudised/1435-ilmusid-eesti-laeti-ja-laeti-eesti-sonaraamatud-2742015.html http://valoda.lv/Aktualitates/Izdota_Igaunu-latviesu_vardnica_un_Latviesu-igaunu_vardnica_/1508/mid_522