... before he had had the chance to see much real acting on the stage itself. It was while he was engaged in producing the plays of others that he brought out also his own 'Mistress Inger at Ostraat' (1855), and the 'Vikings at Helgeland' (1858), both of them actable and often acted. They are romanticist in temper, suggesting now Schiller ... — Inquiries and Opinions • Brander Matthews