[Two Republican soldiers aiming rifles through barricaded window, University City, Madrid]

[Three Loyalist militiamen in a gully aiming rifles, near Espejo, Córdoba front, Spain]

[Three Loyalist militiamen in a gully aiming rifles, near Espejo, Córdoba front, Spain]

[Three Loyalist militiamen in a gully aiming rifles, near Espejo, Córdoba front, Spain]

[Soldiers teaching children how to shoot a rifle during a May Day celebration, Budapest]

[Soldiers teaching children how to shoot a rifle during a May Day celebration, Budapest]

[Loyalist militiamen jumping over a gully carrying rifles, near Espejo, Córdoba front, Spain]

[Loyalist militiamen jumping over a gully carrying rifles, near Espejo, Córdoba front, Spain]

[Frontiersman in Buckskin with Rifle]

[Soldier Holding Rifle]

[Unidentified Boy with Rifle]

[Man with rifle, Israel]

[Soldier with Rifle and Pistol]

[Republican soldiers aiming rifles over a barricade, near Huesca, Aragón front, Spain]

Guerrilla camp. Father is holding a U.S.-made M-16 automatic rifle, El Salvador

[Female soldiers marching with rifles in celebration of the 100th anniversary of the Hungarian Army, Budapest, Hungary]

[Ernst Hemingway and a man kneeling with rifles in front of their hunting success, Sun Valley, Idaho]

[Trader and Amahuaca with rifles, Peru

A Geologist Checking His Rifle

[Back of Unidentified Man with Rifle]

[Soldiers carrying rifles are being followed by a group of children during Moscow's anniversary celebrations, Moscow]

[Ernest Hemingway holding his rifle, Nancy Gross, Gary Cooper and Howard Hawks in the fields, Sun Valley, Idaho]

[Ernst Hemingway holding a hunted bird and walking with a rifle toward Gregory Hemingway sitting on a canoe, Sun Valley, Idaho]

[Republican soldiers with rows of rifles, Spain]