Unidentified photographer, n.d., Queen Victoria (reverse), Tintype, 1/16 plate, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 161), LL/11155

J.E. Mayall, n.d., The Queen and Prince Consort, Carte de visite, albumen, Charles Nes Photography LLC New York - Paris, LL/5917

George Washington Wilson, 1863, Queen Victoria on 'Fyvie' with John Brown at Balmoral, Carte de visite, 9.20 x 6.10 cm, National Galleries of Scotland, Courtesy of the National Galleries of Scotland, Gift of Mrs. Riddell in memory of Peter Fletcher Riddell 1985 (PGP R 884), LL/7397

Charles Clifford, n.d., Queen Victoria, Carte de visite, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 167), LL/11160

Gunn & Stuart, 1897, Queen Victoria, Cabinet card, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 176), LL/11164

Roger Fenton, 1856 (ca), Queen Victoria, Albumen print, National Science and Media Museum, The Royal Photographic Society, Ref number: 2003-5001/2/20105, LL/41694

John Charles Stovin, 1858-1862, Her Majesty the Queen (Victoria), Microphotograph slide, Private collection of Professor Brian Stevenson, Ph.D., LL/44294

William Edward Kilburn, 1848, Prince Albert (1819-61), Daguerreotype, hand-coloured, 8.6 x 6.3 cm, Royal Photograph Collection, The Royal Collection ® 2010, Her Majesty Queen Elizabeth II, RCIN 2932487, LL/38851

J.E. Mayall, n.d., H.R.H. the Prince Consort, Albert, Carte de visite, albumen, Charles Nes Photography LLC New York - Paris, LL/5918

John Charles Stovin, 1858-1862, His Royal Highness Prince Albert, Microphotograph slides, Private collection of Professor Brian Stevenson, Ph.D., LL/44295

Henry Hering, 1862, 31 May, The Kings and Queens of England, From the Conquest to Queen Victoria, Advertisement, Private collection of Professor Brian Stevenson, Ph.D., LL/44292

Alfred Reeves, n.d., Photograph. The Kings & Queens of England, From the Conquest to Queen Victoria. Contains 85 Portraits. A.R., Microscope slide, Private collection of Professor Brian Stevenson, Ph.D., Original photographs courtesy of David Evans., LL/43604

Henry Hering, 1862, The Kings and Queens of England, From the Conquest to Queen Victoria, Carte de visite, Private collection of Professor Brian Stevenson, Ph.D., LL/44291

Camille Silvy, 1861, 3 July, Princess Victoria, the Princess Royal, Carte de visite, Paul Frecker, LL/12788

J.E. Mayall, n.d., H.R.H. the Prince of Wales, Edward, Carte de visite, albumen, Charles Nes Photography LLC New York - Paris, LL/5920

W. & D. Downey, n.d., Princess Alice, Carte de visite, Paul Frecker, LL/12020

J.E. Mayall, n.d., Prince Alfred in naval uniform, Carte de visite, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 171), LL/11162

J.E. Mayall, n.d., Princess Louisa, Carte de visite, albumen, Charles Nes Photography LLC New York - Paris, LL/5922

J.E. Mayall, n.d., Prince Arthur, Carte de visite, albumen, Charles Nes Photography LLC New York - Paris, LL/5923

André Adolphe-Eugène Disdéri, 1860-1870, Princess Beatrice, Carte de visite, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 170), LL/11161

Alexander Bassano, n.d., Edward, Prince of Wales, later King Edward VII., Cabinet card, Paul Frecker, LL/12147

Southwell Brothers, n.d., Princess Alexandra, Carte de visite, hand-coloured, Paul Frecker, LL/12018

W. & D. Downey, 1868, September, Princess Alexandra with her daughter, Princess Louise, Carte de visite, Paul Frecker, LL/12019

Roger Fenton, 1856 (ca), Prince Arthur William Patrick, Duke of Connaught, Albumen print, National Science and Media Museum, The Royal Photographic Society, Ref number: 2003-5001/2/20104, LL/41693

Roger Fenton, 1855, The Princess Royal and Princess Alice, Albumen print, National Science and Media Museum, The Royal Photographic Society, Ref number: 2003-5001/2/20106, LL/41695

Roger Fenton, 1856, Princess Helena and Princess Louise, Albumen print, National Science and Media Museum, The Royal Photographic Society, Ref number: 2003-5001/2/20108, LL/41696

Roger Fenton, 1856, Prince Alfred, Duke of Edinburgh, Albumen print, National Science and Media Museum, The Royal Photographic Society, Ref number: 2003-5001/2/20110, LL/41698

Loescher & Petsch, n.d., Wilhelm I - King of Prussia and German Emperor (Deutscher Kaiser), Carte de visite, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#13 / 55), LL/11262

Numa Blanc, n.d., Kaiser Wilhelm Friedrich Ludwig I - Kaiser Wilhelm I, Carte de visite, Private collection of T. Max Hochstetler, LL/22014

Numa Blanc, n.d., Augusta Marie Luise Katharina of Saxe-Weimar - Kaiserin Augusta, Carte de visite, Private collection of T. Max Hochstetler, LL/22015

Reichard & Lindner, 1884, Kaiser Wilhelm I, Cabinet card, Private collection of T. Max Hochstetler, LL/22016

L. Hasse (Berlin), 1865 (ca), Crown Prince Friedrich Wilhelm Nikolaus Karl III - later Friedrich III, Carte de visite, Private collection of T. Max Hochstetler, LL/22017

Serge Levitsky, 1860s (ca), Princess Victoria of Prussia, Carte de visite, Paul Frecker, LL/12275

L. Hasse (Berlin), 1865 (ca), Victoria Adelaide Mary Louise - eldest child of Queen Victoria and Prince Albert - later Kaiserin Victoria, Carte de visite, Private collection of T. Max Hochstetler, LL/22018

J. Mayhew (London), 1867 (ca), Prince Friedrich & Family, Carte de visite, Private collection of T. Max Hochstetler, LL/22113

J.C. Schaarwächter, 1885, Kaiser Friedrich III, Cabinet card, Private collection of T. Max Hochstetler, LL/25001

Photographische Gesellschaft (Berlin), 1880s (ca), Friedrich, Kaiser von Deutschland, Cabinet card, Ebay, Item number: 290615506138, LL/44241

Photographische Gesellschaft (Berlin), 1880s (ca), Victoria, Kaiserin von Deutschland, Cabinet card, Ebay, Item number: 290615506138, LL/44242

Hermann Selle, 1875 (ca), Crown Prince Wilhelm, Cabinet card, Private collection of T. Max Hochstetler, LL/22021

Bieber Family, 1892, Kaiser Wilhelm II, Cabinet card, Private collection of T. Max Hochstetler, © Klaus Niermann - studioniermann.de/html/bieber.html, LL/14239

Edmund Risse (Berlin), 1883, Augusta Victoria of Schleswig-Holstein - Kaiserin Augusta Victoria, "Donna", Cabinet card, Private collection of T. Max Hochstetler, LL/22010

Loescher & Petsch, 1889, Kaiserin Augusta Victoria, Cabinet card, Private collection of T. Max Hochstetler, LL/22012

Selle & Kuntze (Potsdam), 1887, Kaiser Wilhelm II and Crown Prince Friedrich Wilhelm, Cabinet card, Private collection of T. Max Hochstetler, LL/22011

J.C. Schaarwächter, 1896, Wilhelm II & Family, Cabinet card, Private collection of T. Max Hochstetler, LL/14262

J.C. Schaarwächter, 1896, Kaiser Wilhelm II, Cabinet card, Private collection of T. Max Hochstetler, LL/25002

Thomas Heinrich Voigt, 1907, Kaiser Wilhelm II, Cabinet card, Private collection of T. Max Hochstetler, LL/22024

Abdullah frères, n.d., Emperor Franz Joseph of Austria, Carte de visite, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 173), LL/11163

André Adolphe-Eugène Disdéri, 1858-1859, Napoléon III, Carte de visite, Paul Frecker, LL/13383

André Adolphe-Eugène Disdéri, 1858-1859, Empress Eugénie, Carte de visite, Paul Frecker, LL/13384

André Adolphe-Eugène Disdéri, 1858-1859, The Imperial family, Carte de visite, Paul Frecker, LL/13385

André Adolphe-Eugène Disdéri, 1858-1859, The Empress Eugénie and the Prince Imperial, Carte de visite, Paul Frecker, LL/13388

André Adolphe-Eugène Disdéri, 1858-1859, The Prince Imperial, Carte de visite, Paul Frecker, LL/13386

André Adolphe-Eugène Disdéri, 1858-1859, The Prince Imperial, Carte de visite, Paul Frecker, LL/13387

Serge Levitsky, 1860s (ca), Empress Eugenie of France, Carte de visite, Paul Frecker, LL/12278

W. & D. Downey, n.d., Emperor Napoleon III of France (1808-1873), Carte de visite, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#13 / 51), LL/11258

Serge Levitsky, 1870 (ca), Tsarevitch Alexander, later Alexander III, Carte de visite, Paul Frecker, LL/12272

Serge Levitsky, 1870 (ca), The Tsarevitch and his wife, Dagmar, Carte de visite, Paul Frecker, LL/12276

Serge Levitsky, 1890 (ca), Nicholas II of Russia, Carte de visite, Paul Frecker, LL/12286