A decyphered Venona cable of Soviet intelligence traffic from July 1944, reveals Steele telling Vladimir Pravdin of the New York KGB that Roman Moszulski, the director of the Polish Telegraphic Agency, was secretly pro-Communist and wanted to make contact with the KGB. a Steele told Moszulski that he should remain in place with the Polish Telegraphic Agency, which was aligned with the London-based Polish government-in-exile, and set up a meeting with the KGB. At the meeting Moszulski told Pravdin he believed Poland should have good relations with the Soviet Union and, "having thought over the full seriousness and the possible consequences of his step, he was putting himself at our disposal and was ready to give the Communists all the information he had and to consult with us on questions concerning his activities." To prove his bona fides to Soviet intelligence, Moszulski conveyed a list of Polish exiles and Polish-Americans, including an evaluation of how they stood on Polish-Soviet relations.
Steele's cover name assigned by Soviet intelligence and decyphered by Arlington Hall cryptographers is DICKY, DICKI and DIKI. Steele is referenced in the following Venona project decryptions:
734 KGB New York to Moscow, 21 May 1944; 1039–1041 KGB New York to Moscow, 24–25 July 1944; 1393 KGB New York to Moscow, 3 October 1944; 1814, 1815 KGB New York to Moscow, 23 December1944.
- FBI File Judy Holiday's Explanation
- John Earl Haynes and Harvey Klehr, Venona: Decoding Soviet Espionage in America (New Haven: Yale University Press, 1999), pg. 240.
- W.E.B. DuBois, The Autobiography of W.E.B. DuBois: A Soliloquy on Viewing My Life from the Last Decade of Its First Century. New York, NY: International Publishers Co. Inc., 1968, pp. 343–360. excerpt 
- Johannes Steele Stories Listed by Author.