**⚠ Please note the Library System will be under maintenance on Wednesday, September 23rd from 08:30 to 17:30 (CEST).**

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Thank you for your understanding.

Schwarz, M.

Verzeichnis der Schweizerischen Vogelarten

1959 von Ernst Sutter, B. | Géroudet, Paul | von Blotzheim, U. G. | Schwarz, M. |

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