Man, F. F. D. 598/136: Knipsel met verslag "Peace impossible till Hun Military Machine is smashed, they say. Central Labor Council hears William Short and Lieut. Henry de Man of Belgian Army tell what war means to workers", in: (Seattle Union Record, June 1918).
Dyfyniad Arddull ChicagoMan, Fonds Familie De. 598/136: Knipsel Met Verslag "Peace Impossible Till Hun Military Machine Is Smashed, They Say. Central Labor Council Hears William Short and Lieut. Henry De Man of Belgian Army Tell What War Means to Workers", in: (Seattle Union Record, June 1918).
Dyfyniad MLAMan, Fonds Familie De. 598/136: Knipsel Met Verslag "Peace Impossible Till Hun Military Machine Is Smashed, They Say. Central Labor Council Hears William Short and Lieut. Henry De Man of Belgian Army Tell What War Means to Workers", in: (Seattle Union Record, June 1918).