In 1904, he became the librarian of the House of Lords Library, where he exercised considerable influence till he retired in 1914. He wrote for the "Sunday Times", and was an expert on Thomas Gray, William Congreve, John Donne, Jeremy Taylor, and Coventry Patmore. He can also take credit for introducing Henrik Ibsen's work to the British public. Gosse and William Archer collaborated in translating "Hedda Gabler" and "The Master Builder"; those two translations were performed throughout the 20th century. Gosse and Archer, along with George Bernard Shaw, were perhaps the literary critics most responsible for popularising Ibsen's plays among English-speaking audiences.