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A former employee of the Kenyon College Library has pleaded guilty to selling 50 rare books and other artifacts from the school's collection for $26,000.

45-year-old David Breithaupt of Gambier pleaded guilty in U-S District court in Columbus to illegally selling archaeological resources.

Breithaupt sold most of the items on Ebay to buyers in 19 other states and abroad.

Many of the books, articles and documents were more than 100 years old.

A copy made in 1528 of Ptolemy's Almagest, an astronomy text originally written in ancient Greece sold at nearly $5,000.

Breithaupt faces up to two years in jail and a fine of $250,000.