The artist's birth surname is Ter-Karapetian.
The "Workers' Newspaper" was a Moscow-based gazette that began publication in 1922. It served an organ of the Communist Party of the USSR. While its primary focus was the printing and publishing of the periodical that bore its name, the newspaper occasionally issued political ephemera such as posters. The newspaper ceased publication in 1932.
The International Organization for Aid to the Fighters of the Revolution (Mezhdunarodnaia Organizatsiia Pomoshchi Revoliutsioneram, MOPR) was popularly known as International Red Aid. It was a subsidiary of the Communist International and had offices around the world. In the U.S., MOPR operated under the name International Labor Defense (ILD). The ILD formed in Chicago in 1925 and was associated with the Workers' party. In 1947, the ILD merged with the National Federation for Constitutional Liberties forming the Civil Rights Congress, the legal defense arm of the Communist Party USA.