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Список источников

2. История подушки (URL: http://nnm.me/blogs/S-morok/istoriya-podushki/)

6. Чудо–подушка маме под ушко (URL: http://www.gastronom.by/intervyu-s-personoy-o-ede-i-ne-tolko/chudo-podushka-mame-pod-ushko.html)

7. Pillows Through the Ages (URL: http://www.washingtonpost.com/wp-dyn/content/article/2008/03/14/AR2008031403495.html)

8. http://www.collectorsweekly.com/accessories/eyeglasses

9. http://www.larsdatter.com/18c/spectacles.html, http://www.larsdatter.com/18c/spectacles.html

10. http://www.college-optometrists.org/en/college/museyeum/online_exhibitions/spectacles/eighteen.cfm, http://www.college-optometrists.org/en/college/museyeum/online_exhibitions/spectacles/eighteen.cfm

11. http://www.antiquespectacles.com/history/ages/through_the_ages.htm

13. https://ru.wikipedia.org/wiki/%D0%9E%D1%87%D0%BA%D0%B8

15. http://xreferat.com/55/222-1-istoriya-ochkov-i-ochkovoiy-optiki.html