"these categories of" is correct and usable in written English.
You can use it to refer to a group of things that are organized into categories. For example, "These categories of books are arranged alphabetically."
These categories of exclusion are still active.
These categories, of course, disrupt the very idea of taxonomy.
These categories of weight are known collectively as lightship weight.
These categories of homelessness were scrapped by the Conservative government under the Housing Act 1996.
Even large dropoffs in these categories of demand will have only a limited impact on growth.
You can hide or show these categories of messages en masse.
These categories of mandatory exemptions would be repealed under the administration proposal.
"This legislation really tries to focus on these categories of workers who are notoriously underpaid," said Andrew Neuman, a spokesman for County Executive Andrew J. Spano.
These categories of smell are both very recognizable and very strongly linked to certain chemistry — sulfur compounds for garlic, ammonia compounds for fish — which made them particularly tractable.
I gave it a little thought myself and came up with these categories of applicant: 1. Columnists.
Nevertheless, each of these categories of models are not convenient for every application.
