In 1852, Arnold published his second volume of poems, Empedocles on Etna, and Other Poems. In 1853, he published Poems: A New Edition, a selection from the two earlier volumes famously excluding Empedocles on Etna, but adding new poems, Sohrab and Rustum and The Scholar Gipsy. In 1854, Poems: Second Series appeared; also a selection, it included the new poem, Balder Dead.
Arnold was elected Professor of Poetry at Oxford in 1857, and he was the first in this position to deliver his lectures in English rather than in Latin. He was re-elected in 1862. On Translating Homer (1861) and the initial thoughts that Arnold would transform into Culture and Anarchy were among the fruits of the Oxford lectures. In 1859, he conducted the first of three trips to the continent at the behest of parliament to study European educational practices. He self-published The Popular Education of France (1861), the introduction to which was later published under the title Democracy (1879).
In 1865, Arnold published Essays in Criticism: First Series. Essays in Criticism: Second Series would not appear until November 1888, shortly after his untimely death. In 1866, he published Thyrsis, his elegy to Clough who had died in 1861. Culture and Anarchy, Arnold's major work in social criticism (and one of the few pieces of his prose work currently in print) was published in 1869. Literature and Dogma, Arnold's major work in religious criticism appeared in 1873. In 1883 and 1884, Arnold toured the United States and Canada delivering lectures on education, democracy and Ralph Waldo Emerson. He was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1883. In 1886, he retired from school inspection and made another trip to America. An edition of Poems by Matthew Arnold, with an introduction by A. C. Benson and illustrations by Henry Ospovat, was published in 1900 by John Lane.