(1892), and PhD (1894) from Harvard University, working with the eminent medievalists Francis James Child and George Lyman Kittredge.
In 1895, he spent a year abroad at the University of Freiburg, Germany, working with Rudolph Turneysen, one of the founders of Celtic Philology.
Moreover, Robinson's work as editor contributed to the move of Chaucer studies from Europe to North America.
From 1896 at Harvard, he taught the US's first classes in Irish and continued them until the chair in Celtic Studies was established there.
He amassed a voluminous collection of books related to Irish, Welsh, Scottish Gaelic, Cornish, Breton and Manx language and literature, which he bequeathed to Harvard University's Widener Library.