Boys to the farm -- bring your chums and do your bit -- S.O.S.

Poster shows man in Sons of the Soil uniform blowing a bugle to summon men to the Sons of the Soil corps. In the background men in the S.O.S. uniform head for the fields. Text indicates that the bugler is wearing the official Sons of the Soil uniform authorized by the Canada Food Board and manufactured by Montreal Shirt & Overall Co. Ltd.

Source: Library of Congress, Prints & Photographs Division, WWI Posters.

Includes a border on all sides to allow for matting and framing.