Monday, July 24, 2017

The Library of Congress opened its catalogs to the world. Here’s why it matters

Library of Congress | Online catalog | Research


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The Library of Congress has made 25 million digital catalog records available for anyone at no charge. Photo by Flickr user casajump

Imagine you wanted to find books or journal articles on a particular subject. Or find manuscripts by a particular author. Or locate serials, music or maps. You would use a library catalog that includes facts – like title, author, publication date, subject headings and genre.

That information and more is stored in the treasure trove of library catalogs.

It is hard to overstate how important this library catalog information is, particularly  as the amount of information expands every day. With this information, scholars and librarians are able to find things in a predictable way. That’s because of the descriptive facts presented in a systematic way in catalog records.

But what if you could also experiment with the data in those records to explore other kinds of research questions – like trends in subject matter, semantics in titles or patterns in the geographic source of works on a given topic?

Now it is possible. The Library of Congress has made 25 million digital catalog records available for anyone to use at no charge. The free data set includes records from 1968 to 2014. Read more...

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