[Children huddled on sidewalk, Bilbao, Spain]

[Republican soldiers evacuating the wounded during the battle for this strategically located hilltop town, Teruel, Aragón front, Spain]

[Republican soldier killed while stringing telephone lines, Teruel, Aragón front, Spain]

[Dead soldiers, Teruel, Aragón front, Spain]

[Farewell ceremony for the International Brigades, Les Masies, Spain]

[Farewell ceremony for the International Brigades, Les Masies, Spain]

[Spectators at the farewell parade for the disbanded International Brigades, Barcelona]

[Republican soldiers climbing up remains of bridge bombed by Nationalist rebels in an attempt to trap the Republicans, Rio Segre, Aragón front, near Fraga, Spain]