Break this down into a workable list and then categorize the items you need.
Many sites categorize people by their hometown, where they went to school and the different places they have worked, so you can browse through the people who went to your school or search for the name of someone you are looking for.
Doctors and researchers try to categorize autism into one of several types, though within each type of autism there are varying degrees of severity.
There are many ways to categorize postcards including the era in which they were made or the subject matter on the card.
In an attempt to categorize them, these were measured and compared to teeth in more complete mandibles.
