Litteratur om tilbehør til sying

• 1001 knapp av Kiki Sørum, 2000

https://archive.org/details/buttons0000epst
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https://archive.org/details/buttons0000cowl
https://archive.org/details/buttons0000mood_g2p1
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https://archive.org/details/CadetButtons001
https://archive.org/details/buttons0000mood
https://archive.org/details/buttonscollector0000houa
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https://archive.org/details/washingtonhistor00albe
https://archive.org/details/witchetysticksma0000step
https://archive.org/details/buttonsbeads0000nunn_w0q6
https://archive.org/details/isbn_9781554703142
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https://archive.org/details/collectorsencycl0000lusc
https://archive.org/details/hhbooker2_yahoo_001_20180518
https://archive.org/details/hhbooker2_yahoo_001_20180513
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Reklamer for knapper

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• https://archive.org/details/1960-advertisement-for-beutron-buttons