[Refugees walking on the road from Barcelona at the French border, Spain]

[Refugees walking on the road from Barcelona to the French border, Spain]

[Downed German Heinkel plane on display on Passeig de Gracia, Barcelona]

[Downed German Heinkel plane on display on Passeig de Gracia, Barcelona]

[Young woman writing a letter on a suitcase at a refugee center, Montjuich, Barcelona]

[Republican troops waving from train departing for the Aragón front, Barcelona]

[Loyalist militiamen departing for the front with women and a boy hanging on to train, Barcelona]

[A Republican soldier kisses his son in preparation for mobilization, Barcelona]