Concentrating posters & prints

Oxford Student Cramming for Exams Anonymous

Boy crouching shooting marbles concentration Anonymous

The Game of Backgammon Cornelis de Vos

Children and a Broken Egg-Shell 1874 Anonymous

The Volunteer Review at Portsmouth: The Defending Force Concentrating at King William's Gate UK 1869 Anonymous

Robert Fulton Thinking at Desk Anonymous

Scribe Working at His Desk Anonymous

An Evening in the Library Anonymous

Hooke's microscope with condenser for concentrating light, 1665 Unknown

The Listening Girl Jean-Baptiste Greuze

Concentric Circles in Color Field Anonymous

At a Book Maria Konstantinova Bashkirtseva

Focus on soccer Anonymous

Contemplating soccer Anonymous

Boy Working on Subtraction Problem Anonymous

Boy Catching a Ball Anonymous

Leontine Reading Pierre-Auguste Renoir

Boy Working on His Schoolwork Anonymous

Young woman stretching Anonymous

Reading, 1863 Ivan Nikolaevich Kramskoy

Girl Reading in an Interior Carl Holsoe

Food Supply Anonymous

Portrait of Dr Georg Wendemuth Alma Del Banco

People Reading Together at Table Anonymous

Biology Student,2017 Tilly Willis

First Grade Pam Ingalls

Concentration, 2018 Mark Adlington

Girl in Red, Knitting Pierre Auguste Renoir

Women Communards in Concentration Camp at Versailles, 1871 Anonymous

Fotogramm of segments and concentric circles of a sphere László Moholy-Nagy

Well Caught, Woman Stretching Up Andrew Pitcairn-Knowles

Daruma Shaving in a Boat, Watching His Reflection in the Stream, a Beauty Poling the Boat Harunobu

Indian Man Aiming Spear Anonymous

A craftswoman at work ET Holding

A Quiet Read William Kay Blacklock

Man hitting volleyball, side view Anonymous