1
by Backes, M.
Published in Frohe Saat (1924)
Volltext, Kostenfrei, Digitalisierung
urn:nbn:de:0111-bbf-spo-14251173
E-Article
2
by Backes, M.
Published in Pädagogische Post (1924)
Volltext, Kostenfrei, Digitalisierung
urn:nbn:de:0111-bbf-spo-14738068
E-Article
3
by Backes, M.
Published in Monatsschrift Kinderheilkunde (2002)
Get additional information online
E-Article
20