Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun (the Battlefields of Verdun) - Cover page of #1 out of 4 portfolios [Color photographs and texts by Gervais-Courtellemont.], Association of the Friends of Jean-Baptiste Tournassoud, Collection Nadia Valla, LL/9085

Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun (the Battlefields of Verdun) - Back cover. Color photographs and texts by Gervais-Courtellemont., Association of the Friends of Jean-Baptiste Tournassoud, © Collection Nadia Valla, LL/9108

Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun, the Battlefields of Verdun 1916-1917, Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9086

Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun, the Battlefields of Verdun 1916-1917, Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9087

Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun, the Battlefields of Verdun 1916-1917, Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9088

Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun, the Battlefields of Verdun 1916-1917, Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9089

Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun, the Battlefields of Verdun 1916-1917, Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9090

Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun, the Battlefields of Verdun 1916-1917, Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9091

Jules Gervais-Courtellemont, n.d., Les Champs de Bataille de Verdun, the Battlefields of Verdun 1916-1917, Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9092

Jules Gervais-Courtellemont, 1915 (onwards), Les Champs de la Bataille de la Marne'(the Battlefields of the Marne), Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9279

Jules Gervais-Courtellemont, 1915 (onwards), Les Champs de la Bataille de la Marne (the Battlefields of the Marne), Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9093

Jules Gervais-Courtellemont, 1915 (onwards), Les Champs de la Bataille de la Marne (the Battlefields of the Marne), Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9094

Jules Gervais-Courtellemont, 1915 (onwards), Les Champs de la Bataille de la Marne (the Battlefields of the Marne), Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9095

Jules Gervais-Courtellemont, 1915 (onwards), Les Champs de la Bataille de la Marne (the Battlefields of the Marne), Private collection of Mark Jacobs, Collection Mark Jacobs, LL/9096

Jean-Baptiste Tournassoud, n.d., Photo-Album of the Great War, front cover, Book cover, Association of the Friends of Jean-Baptiste Tournassoud, Collection Nadia Valla, LL/9097

Jean-Baptiste Tournassoud, 1916 (ca), Portrait of Cuirassier soldier, [M03], Autochrome Lumière, 13 x 18 cm, Association of the Friends of Jean-Baptiste Tournassoud, © Private collection / info@tournassoud.org, LL/8041

Jean-Baptiste Tournassoud, 1916 (ca), Soldier with the regiment's flag (37me RI), [M07], Autochrome Lumière, 13 x 18 cm, Association of the Friends of Jean-Baptiste Tournassoud, © Private collection / info@tournassoud.org, LL/8025

Jean-Baptiste Tournassoud, 1914 (ca), Three Zouaves soldiers drinking at a table, [M14], Autochrome Lumière, 13 x 18 cm, Association of the Friends of Jean-Baptiste Tournassoud, © Private collection / info@tournassoud.org, LL/8050

Jean-Baptiste Tournassoud, 1915, Spahis soldiers eating their meals, Autochrome Lumière, 13 x 18 cm, Association of the Friends of Jean-Baptiste Tournassoud, © Coll. Mick Micheyl / Assoc. des Amis de J-B Tournassoud - info@tournassoud.org, LL/6237

Jean-Baptiste Tournassoud, 1914 (ca), Alpine infantry at camp, [M19], Autochrome Lumière, 13 x 18 cm, Institut Lumičre (The Lumiere Institute), © Coll. Institut Lumiere , Lyon - France / info@tournassoud.org, LL/8033

Jean-Baptiste Tournassoud, 1914 (ca), Potato peeling chores with French soldiers and German prisoners, [M21], Autochrome Lumière, 13 x 18 cm, Institut Lumičre (The Lumiere Institute), © Coll. Institut Lumiere , Lyon - France / info@tournassoud.org, LL/8036

Jean-Baptiste Tournassoud, 1915, Parade of French Soldiers, [M27], Autochrome Lumière, 13 x 18 cm, Institut Lumičre (The Lumiere Institute), © Coll. Institut Lumiere , Lyon - France / info@tournassoud.org, LL/8051

Albert Samama-Chikli, 1916, Washing clothes [Algeria / Tunisia], Autochrome, 5 x 7, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9098

Albert Samama-Chikli, 1916, [Untitled], Autochrome, 5 x 7, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9099

Unidentified photographer / artist, 1918, American Cemetery, [American Commission for Devastated France], Autochrome, 4 x 5 in, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9100

Unidentified photographer / artist, 1918, English Tank Perrone, [American Commission for Devastated France], Autochrome, 4 x 5 in, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9101

Unidentified photographer / artist, 1918, Rheims, [American Commission for Devastated France], Autochrome, 4 x 5 in, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9102

Unidentified photographer / artist, 1918, Shells - Lafaux, [American Commission for Devastated France], Autochrome, 4 x 5 in, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9103

Unidentified photographer / artist, 1918, Ypres - German Cannon, [American Commission for Devastated France], Autochrome, 4 x 5 in, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9104

Unidentified photographer / artist, n.d., French soldier, Autochrome, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9105

H. Prinet, 1915, Portrait [France], Autochrome, Private collection of Mark Jacobs, © Collection Mark Jacobs, LL/9106

Unidentified photographer / artist, 1916 (ca), France, Autochrome, 3 1/2 x 5 in, Private collection of Hugh Tifft, © Collection Hugh Tifft, LL/9107