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WKAF: La cresta del Winterberg / Winterberg front
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WKAF: Aeroreconeixement al bosc de Caurières / Aerorcon in Caurières Wald
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WKAF: Capturant St. Etiennes / Captured St. Etiennes'
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WKAF: Album II, foto 16: positions after "Alberich"
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WKAF: Album II, foto 17: A view of the "hauptverteidigungslinie"
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WKAF: Festung Landres
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WKAF: Album V, 45b: refugi hivernal al front / Winter front hut
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WKAF: Album V, 48: Digueu adeu a en Rudi / Say bye to Rudi in his MG post
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WKAF: Trinxeres entre les cases, 1917 / Trenches and housing, 1917