If the category field is a text field then that will likely lead to
categories being created that do not link to the index. Instead a drop
down menu or search feature should be used. Also an option to attempt
to apply the categories used in a Wikipedia page would be very useful.
PGP Public Key ID 0xB6028066
Key fingerprint = 09FB 59EB D9FE 7C9C 12DF 9530 A877 FAB7 B602 8066