Thanks to Bill Crider and his Pop Culture magazine site for this Dewey Decimal Quiz that analyzes you into your ideal Dewey Number.
You are actually given 3 results and can pick. Even though I could pick the gardening number (635), the description for the 475 Latin Grammar fits me better. Even though I speak nary a word of Latin.
D.O.A. as 635:
D.O.A. as 878 Latin Misc Writings: