For example, I wanted a feed for AIA East Bay that only included posts with the label 'Revit'. Here is what the split feed looks like:
Easy way to do it:
To convert that search label into a Blogger RSS feed, replace the string /search/label/ with /feeds/posts/default/-/ so the new feed URL for that search label has the following syntax:
Offer RSS Feeds for Blogger Search Labels Similar to WordPress Category Feeds
Another example - all of the What Revit Wants posts that include the label 'pdf' can be found as a feed at:
Create a Wordpress feed for a particular label:
It is even easier. To subscribe to a particular category feed of a WordPress blog, all you have to do is add /feed after the category url (link).