[Republican militiaman aiming a rifle, Barcelona or its vicinity]

[Member of the International Brigades, Madrid]

[Republican soldier, Madrid]

[Members of the International Brigades, Madrid]

[Members of the International Brigades, Madrid]

[Member of the International Brigades defending a building in the University City, Madrid]

[Men of the International Brigades in a laboratory of the Medical School building of the University City, Madrid]

[Men of the International Brigades looking out the windows in a laboratory of the Medical School building of the University City, Madrid]