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.

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Professors Zwillinge

#1PopularFirst

1923 • 383 pages

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Professors Zwillinge in der Waldschule

#2

1925 • 189 pages

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Professors Zwillinge in Italien

#3

1927 • 189 pages

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Professors Zwillinge im Sternenhaus

#4

1928 • 188 pages

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Professors Zwillinge, Von der Schulbank ins Leben

#5

1929 • 196 pages