During the period of Polish ascendency, Krypiakevych co-authored and published many popularizations, the most important of which were his "Great History of Ukraine" (1935), his "History of the Ukrainian Army" (1936), and his "History of Ukrainian Culture" (1937).
During the Soviet period, Krypiakevych was known as an expert on the era of Khmelnytsky and on the occasion of the Three Hundredth Anniversary of the Treaty of Pereiaslav between the Cossacks and the Russian Tsar his "Bohdan Khmelnytsky" appeared in a very luxurious edition (1954).