Oxford Reading Tree Stage 12+: TreeTops: Doughnut Dilemma: Doughnut Dilemma (Oxford Reading Tree Treetops) by Margaret Mcallister Paperback, 56 Pages, Published 2000 by Oxford University Press ISBN-13: 978-0-19-919320-2, ISBN: 0-19-919320-7
Hans Christian Andersen and the Romantic Theatre A study of stage practices in the prenaturalistic Scandinavian theatre (Heritage) by Marker, Frederick J Trade Paperback, 248 Pages, Published 1971 by University Of Toronto Press ISBN-13: 978-1-4875-7913-5, ISBN: 1-4875-7913-6