Add link to LCC

2015-09-06 14:34:41 -04:00 · 2015-09-06 14:34:41 -04:00 · 68bb2b5008
parent b393b9e4f2
commit 68bb2b5008
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--- a/free-science-books.md
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-# Subject areas (In order of LIBRARY OF CONGRESS CLASSIFICATION)
+# Subject areas (In order of [LIBRARY OF CONGRESS CLASSIFICATION](http://www.loc.gov/catdir/cpso/lcco/) )

 ## Science (General)   (Q)
 ## Mathematics (QA)