Keeping sentry posters & prints

The Sleeping Sentry (La Sentinelle endormi´), ca. 1828-1836 Francisque-Martin-François Grenier de Saint-Martin

'Sentry duty at a Small Post', First World War, January 1917 Eugene Zigliara

Before The Evacuation: A British Sentry At Kandahar, Afghanistan Anonymous

A sentry in the trenches looking through an improvised persicope Anonymous

A Native Sentry Anonymous

A sentry in the trenches looking through an improvised persicope, France, World War I, 1916 Unknown

Edinburgh Castle sentry by moonlight Associated Newspapers

Sailor on Sentry Alfred R Waud

How a Sentry was Treated for Negligence Jacques Le Moyne

A National Guard Sentry Before The Hotel De Ville, Seville Anonymous

The Challenge Joseph Swain

A National Guard Sentry At Cordova Anonymous

The Sentry, c.1872 William Rimmer

Before Paris: Sentry of the Advanced Post, 1870 Anonymous

Integrity Retiring from Office! Anonymous

Guard, Brussels James Batkin

The Sentry, before Sebastopol, 1854 Henry John Wilkinson

Albuca minor, Albuca jaunâtre, Sentry in the Box Pierre Joseph Redouté

The Dynamite Plot: Sentries At The London Public Buildings, UK Anonymous

Sentry at the Jaegertor, Potsdam, c.1735 Dismar Degen

An American soldier on sentry duty, Saint Nazaire, France Anonymous

The Civil War in America: How the Outlying Sentries of the Federal Army Are Killed by Secessionist Scouts Anonymous

From a gate of a fort rides a chariot, next to the gate is a soldier on guard Joannes Bemme

The Sentry on Ischia, 1829 Carl Wilhelm Goetzloff

The Ashantee War: Sentries of the Different Lines of Troops in Camp at Prah-Su 1874 Anonymous

Sentries Lou Wall

Military Sketches at Edinburgh Castle Anonymous

Osceola in Captivity, c.1837 Captain Seth Eastman

The 24th South Wales Borderers Anonymous

The 25th King's Own Scottish Borderers Geoffrey Douglas Giles

'Standing Guard near Metzeral', Alsace, January 1916 Francois Flameng

River View with Sentry Jan van Goyen

Album of the Siege of Paris, Sentry, Guards Gustave Dore

The Royal Scots (Lothian Regiment) Anonymous

Montague House wall, British Museum, London James Findlay

The Coldstream guards Anonymous