Open Library

http://demo.openlibrary.org/

[They note that this is a technology preview, and that some things are
still in flux.]

Imagine a library that collected all the world's information about all
the world's books and made it available for everyone to view and
update. We're building that library.

[This text taken from the website] 
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Making Iron Ink

http://www.scienceinschool.org/2007/issue6/galls/

One of the many purposes of science is to support the humanities. With
this in mind, Gianluca Farusi and his students set out to investigate
and prepare iron-gall ink, a historically significant material for the
transmission of knowledge.

[This text taken from the website] 
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Table Of Contents