Robert M. Pratt (page 14)

A Hermit Praying in the Ruins of a Roman Temple Hubert Robert

Illustration of Robert Fulton's First Boat the Clermont Anonymous

Professor Henry A. Rowland, 1897 Thomas Cowperthwait Eakins

Prince Rupert, Count Palatine of the Rhine, Duke of Cumberland, 1893 Anonymous

Patriarch Filaret of Moscow (Fyodor Nikitich Romanov) Anonymous

Flying Acrobat Anonymous

Statue of King Robert the Bruce at Stirling English School

Portrait of Raphaelite Activist Dante Gabriel Rossetti Anonymous

George Robertson John Francis Rigaud

Robert Lee Johnson Anonymous

Robert Herrick William Marshall

Portrait of the composer Robert Franz, 1880 Anonymous

Colwich - Tomb of Robert Wolseley: pen and ink drawing, 1837 Thomas Peploe Wood

First aerial voyage by Charles and Robert, Paris, France, 1783 (1890s). Anonymous

Belle Vue, the Seat Robert Reynolds, Esquire taken from the East Catherine Reynolds

Queen Mary's Lament, poem in the handwriting of Robert Burns Robert Burns

Lord Robert Clive in General Officer's uniform, c.1764 Thomas Gainsborough

Portrait of Benjamin Robert Haydon English School

Reverend Charles Robert Maturin, engraved by Henry Meyer, 1819 William (after) Brocas

Mansion of President Robberts, Monrovia, Libera, 1847 Anonymous

Illustration of Hugh Capet Crowning His Son, Robert II the Pious Anonymous

Explorer Robert Edwin Peary on Expedition Site Anonymous

Madeley Church - Monument to Robert Hawkins School English

Robert Devereux, 2nd Earl of Essex English School

Major Robert Anderson Occupying Fort Sumter Anonymous

Robert Boyle and Denis Papin Anonymous

The Campagna near Rome Robert Macpherson

Enthusiasm Displayed, engraved by Robert Pranker, 1765 John (after) Griffiths

'Rocks, Rio Agri...' Alphonse Bernoud Grellier

Portrait of Robert Harley, first Earl of Oxford English School

Robert Falcon Scott, British Antarctic explorer, 1914 Unknown

Portrait of Robert Fludd, 17th century Anonymous

Robert Boyle, Anglo-Irish chemist and physicist and Denis Papin, French physicist, 1870 Unknown

Robert Burns, Having set his hand to the plough, looks back at Highland Mary Max Beerbohm

Title page of Robert Hooke's 'Micrographia' Robert Hooke

The Challenge Hilton L. Jnr. Pratt