La recuperación de la isla de San Cristóbal (1634-1635), Félix Castello (Museo Nacional del Prado)
Army organization, economy and logistics: fiscal-military state y contractor state
Armies, civil society and military justice: women, minorities, displaced groups, deserters, convicts, and other groupss
Religiosity in the armies of the Early Modern period (confraternities, confessionalism, Inquisition, chaplains, military medicine, redemption of captives)
“National” groups in the armies and navies: mobility and circulation
Borders, fortification, engineering, sieges, artillery, weaponry, and material culture
Naval history, coastal and naval artillery, port defence, naval infantry, and amphibious operations
Strategy, tactics, conduct of war, and military institutions
Science, technology, treatises, written culture, and literature
War in the arts
Italian Wars
Defence of Hispanic America
Asia and the contact with the Hispanic Monarchy
Relations between Spain, Portugal, Persia and the Ottoman Empire