Quantum redactiones paginae "Pittacium cursuale" differant

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Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.2
 
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* [http://www.briefmarken-universum.de/ Fundamenta scientiarum de philateliae arte]
* [http://colnect.com/de/stamps Catalogus mundanus collectionibus propriis disponendis]
* [httphttps://web.archive.org/web/20171230080343/https://stamps.org/userfiles/file/AP/feature/Feature_12_12.pdf Russ Hahn: ''Postage Stamp Collage Art''] (PDF)
* [http://www.edbmb.net/stamps Errores in pittaciis cursualibus detecti]