The photo is from Spartacus Educational.
Introductions to Wyndham Lewis:
   
Wyndham Lewis- a short introduction of Lewis, with some links and the paiting A Battery Shelled by Lewis
   
Percy Wyndham Lewis- an introduction with two paintings from Art of The First World War

 

 

Wyndham Lewis' works:

 Wyndham Lewis- some links to Lewis' works showed on the internet from Artcyclopedia: The Fine Art Search Engine
   
Wyndham Lewis 1882-1957- with links to Lewis' works from Tate
   
The image gallery of Wyndham Lewis' works from Wyndham Lewis Society's Web Site

A Battery Shelled (1919), by Percy Wyndham Lewis, from Spartacus Educational

Two Mechanics circa 1912 by Percy Wyndham Lewis, from TATE

 

A Canadian Gun-Pit by Percy Wyndham Lewis, 1918 from Art of the First World War

Figure composition (man and woman with two bulldogs), 1912 - 1913, from Art Gallery of New South Wales
Sites with articles and links:
   
The Poetics of Mockery: Wyndham Lewis's "Apes of God" and The Modern Humanities Research from The Modern Humanities Research Association
   
The Art and Ideas of Wyndham Lewis from FluxEuropa
   
Wyndham Lewis and Vorticism from FluxEuropa
   
Some articles about Wyndham Lewis from the Electric Library of Encyclopedia.com.
   
Wyndham Lewis Society's Web Site - a good site with Lewisletter, image gallery, and links