Indeed a primary source, a written document or a newsreel film, may be biased, mistaken, or occasionally totally inaccurate (some wartime propaganda for instance).

Brunel's last credit as director was in a 1940 wartime propaganda short film, although he worked for a few years more as a "fixer-up" for films directed or produced by friends in the industry.

"When I saw the speech my eyes lit up," said John R. MacArthur, whose book "Second Front" examines wartime propaganda.

Blacks saw the failure to grant the franchise, coming on the heels of British wartime propaganda promoting freedom from "Boer slavery", as a blatant betrayal.

British wartime propaganda had alleged Johnson had challenged Matoni to a personal duel; a version of events denied by Johnson.

Powerful, hideous and remarkably candid recollections by Japanese veterans who confirm the worst allegations of American wartime propaganda.

The book has since been criticized as British wartime propaganda to build up sentiment against the Central Powers.

British wartime propaganda trumpeted the destruction of the Italian 10th Army by a significantly smaller British force during the early phase of the North African Campaign.

German wartime propaganda had a part in this defiance of British rule.

The book has since been criticized as British wartime propaganda to build up sentiment against the Central Powers, but Bryce had submitted the work to scholars for verification before its publication.