5 books in series

Professors Zwillinge

Professors Zwillinge is a 5-book series with 5 primary works first released in 1923 with contributions by Else Ury.

#1
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Professors Zwillinge

#1 of 5 in Professors Zwillinge

1923 • 383 pages

#2
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Professors Zwillinge in der Waldschule

#2 of 5 in Professors Zwillinge

1925 • 189 pages

#3
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Professors Zwillinge in Italien

#3 of 5 in Professors Zwillinge

1927 • 189 pages

#4
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Professors Zwillinge im Sternenhaus

#4 of 5 in Professors Zwillinge

1928 • 188 pages

#5
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Professors Zwillinge, Von der Schulbank ins Leben

#5 of 5 in Professors Zwillinge

1929 • 196 pages