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<n>Battle Field</n> (1907), a print by <n>Käthe Kollwitz</n> from her <n>Peasants' War</n> cycle.

Art by <n>John Martin</n> based on <n>John Milton</n>'s poem <n>Paradise Lost</n>.

<n>Spongosphaera streptacantha</n> and <n>Dictyosoma trigonizon</n> from <n>Ernst Haeckel</n>'s 1862 monograph <n>Die Radiolarien</n>.

An 1862 illustration of Radiolaria by <n>Ernst Haeckel</n> from his monograph <n>Die Radiolarien</n>.

<n>Gustave Doré</n>'s 1867 engraving, <n>The Sparkling Circles of the Heavenly Host</n>, for <n>Dante Alighieri</n>'s <n>Paradiso</n>.