Bonifatius Apostel der Deutschen by DorotheeVonKügelgen Hardcover, 304 Pages, Published 2018 by Parzellers Buchverlag ISBN-13: 978-3-7900-0524-0, ISBN: 3-7900-0524-X
Michaelmas by Helmut VonKugelgen , Rudolf Steiner Paperback, 56 Pages, Published 2013 by Waldorf Early Childhood Association Of North America ISBN-13: 978-0-9796232-3-3, ISBN: 0-9796232-3-5