When Poland took over Rivne, he wrote a series of short stories called "Fun Ukrainishn Thom” (From the Ukrainian Abyss) for the Warsaw Moment.
B. Beylin, Kalman Marmor, and Jacob Levin, published the monthly periodical Der Nayer Veg for the Workmen's Circle educational committee in 1921.
His coverage provided insight into areas closed to foreigners like Siberia and Turkestan as well as Jewish agricultural colonies in Crimea that were supported by the Agro-Joint.
His dispatches on Russia's "declassed" Jews, who were deprived of their rights following a decree from Stalin, led to the intervention of American officials, a reversal of the policy, and the dissolution of the Yevsektsiya.
[5] Smolar covered Romanian pogroms in 1930, which resulted in the resignation of the notorious anti-Semitic Interior Minister Alexandru Vaida-Voevod.
He remained at his post at great personal risk, with the Gestapo harassing him while reporting on news that affected the country's Jewish community.
[6] He reported from Romania in 1937, when extreme anti-Semites Octavian Goga and A. C. Cuza took over the government and caused a panic in the Jewish community.
He spent years covering the Mandatory Palestine, reporting on the 1929 riots and knowing various major Zionist leaders like Chaim Weizmann and Ze'ev Jabotinsky.
[5] Smolar wrote a number of books in Yiddish and Hebrew as well as In the Service of My People and Soviet Jewry Today and Tomorrow in English.