YERVAND PAMBUKYAN, DICTIONARY OF PSEUDONYMS OF AR FEDERATION (DASHNAKTSUTYUN) – 2023-2 Ararat M. Hakobyan Honored Historian Yervand Pambukyan, a grateful and distinguished historian of Armenian historiography, as a result of many years of diligent and painstaking research work, has put together and put on the reader’s table a valuable dictionary work, “Dictionary of pseudonyms of AR Federation (Dashnaktsutyun). (personal names, toponyms, numerical codes)”, which is unique in its kind. We are confident that this dictionary can play a very useful role in the future for a deeper and more comprehensive study of the history of the Dashnaktsutyun party in particular, and in a broader sense it will be valuable for the research of the history of Armenia of the late 19th and early 20th centuries.