Robert Kretzchmar

Duke Ernest of Saxe Cobourg Gotha's tour to Egypt Robert Kretzchmar

Gustav Robert Kirchhoff Anonymous

Robert Schumann, 1839 Josef Nikolaus (after) Kriehuber

Robert Cecil, 1st Earl of Salisbury John de Critz

Roman Military Dress Albert Kretschmer

Gustav Robert Kirchhoff, German physicist, 1873 Unknown

Christian Roman Dress Albert Kretschmer

Roman Dress Albert Kretschmer

Robert Schumann, 1839 Josef Kriehuber

Robert Schumann 1853 Jean Joseph Bonaventure Laurens

Christian Friedrich, Baron Stockmar, engraved by Thomas Fairland Franz Xaver (after) Winterhalter

Robert Parsons, 1622 English School

Portrait of the composer Conradin Kreutzer Anonymous

Robert Schumann, 1836 F. Mannheim

Illustration of Scientist Robert Koch Working in Laboratory Anonymous

German Composer Robert Franz Anonymous

Robert Hamerling August Prinzhofer

Female Roman Dress Albert Kretschmer

The Library of Stanmore Hall, the seat of Robert Holland, Esq Frederick Mackenzie

Interior of Robert Schumann Apartment Anonymous

Burial of the democratic Robert Blum shoot in October 1848 in Vienna Karl Hermann Schmolze

German Composer Robert Schumann Anonymous

Gustav Robert Kirchhoff, German physicist, 1876 Unknown

Robert Arthur Talbot Gascoyne-Cecil, 3rd Marquess of Salisbury, 1882 George Frederic Watts

Robert Koch Anonymous

Painting of Robert Schumann Anonymous

At Romsey Abbey, 1899 Robert Bateman

Robert Burns James Drummond

Robert Clark, Glenn Morris, John Parker, American decathletes, Berlin Olympics Anonymous

Abbot Robert of Clairmarais presents his copy of 'De Laudibus Beatae Mariae Virginis' French School

Robert Schumann German School

Robert Montgomery (1904-1981), American actor and director Anonymous

Robert Boyle, 17th century Irish chemist and physicist, 1739. George Vertue

Portrait Engraving of Robert Mills Anonymous

Robert Sterling Clark, 1921-22 William Orpen

Robert d'Arcy George Knapton