1
by Joelsohn, Walter
Published 1952
Springer Vienna

2

3
by John, Robert L.
Published 1946
Springer Vienna

4
by Kraft, Victor
Published 1951
Springer Vienna

5
by Goodsell, David S.
Published 1994
Springer Berlin Heidelberg

6
by Mehlhorn, Birgit, Mehlhorn, Heinz
Published 1992
Springer Berlin Heidelberg

8
by Mehlhorn, Birgit, Mehlhorn, Heinz, Schmahl, Günter
Published 1992
Springer Berlin Heidelberg

9
by Lamping, Heinrich, Lamping, Gerlinde
Published 1995
Springer Berlin Heidelberg

10
by Soden, W. Frh. v
Published 1954
Springer Berlin Heidelberg

11
by Friedrich, Johannes
Published 1966
Springer Berlin Heidelberg

12
by Arab-Kohlmeier, Lenore, Sichert-Oevermann, Wolfgang, Schettler, Gotthard
Published 1989
Springer Berlin Heidelberg

13
by Calder, Nigel
Published 1994
Springer Berlin Heidelberg

14
Published 1969
Springer Berlin Heidelberg

15
by Friedrich, Johannes
Published 1954
Springer Berlin Heidelberg

18
by Pahlow, Mannfried, Eichinger, Siegfried
Published 1976
J.F. Bergmann-Verlag

19
by Deutschen Pfadfinderbund
Published 1913
Springer Berlin Heidelberg

20
by Wünsche, E.
Published 1914
Springer Berlin Heidelberg