The League had its own publishing company, Inside Nazi Germany, and a major artist, John Heartfield, producing most of its illustrative material.
The Most Gigantic Lying Mouth of All Time is named after a collage by German artist John Heartfield.
John F. Kennedy | Pope John Paul II | Elton John | John | John Lennon | John Wayne | John McCain | John Kerry | John Cage | Olivia Newton-John | John Williams | John Peel | John Adams | John Steinbeck | John Travolta | John Milton | John Zorn | John Marshall | John Howard | John Singer Sargent | John Ruskin | John Updike | John Maynard Keynes | John Coltrane | John Cleese | St. John's | John Waters | John Lee Hooker | John Huston | John Ford |
Left-wing artists had already formed groups, such as the November Group, Dadaist groups, or from 1924 to 1926, the Red Group, with which George Grosz, John Heartfield and Rudolf Schlichter were involved.
As well as the workers' parties, the referendum campaign was publicly supported by the ADGB, the Red Front League and a number of prominent figures, such as Albert Einstein Kathe Kollwitz, John Heartfield and Kurt Tucholsky for the referendum.