Another example of systemic cultural bias

This is the Dewey Decimal System's categorization for religions of the world, which is the 200 category:

200  Religion
210  Natural theology
220  Bible
230  Christian theology
240  Christian moral & devotional theology
250  Christian orders & local church
260  Christian social theology
270  Christian church history
280  Christian sects & denominations
290  Other religion

[Noted on Shirky.com]