Henderson, F. Novalis, Ritter and 'Experiment': A tradition of active empiricism / Fergus Henderson. The third culture : literature and science.(1998).

Henderson, Fergus. "Novalis, Ritter and 'Experiment': A Tradition of Active Empiricism / Fergus Henderson." The Third Culture : Literature and Science.(1998) .

Henderson, Fergus. "Novalis, Ritter and 'Experiment': A Tradition of Active Empiricism / Fergus Henderson." The Third Culture : Literature and Science.(1998), .