Sorting Monsters

Hi guys, just wondering if I've missed something in Roll20 regarding sorting and listing monsters. I usually use Kassoon to build my encounters but now I've amounted a fair amount of books on Roll20 some of them aren't included in Kassoon's encounter builder. Do I have to manually go through each book individually to say.. find undead creatures at CR:6  or is there a sorting function for all my owned books that I've somehow missed? 

Hi Kelfezond! In your Compendium tab, click on the monsters category. There is then a filter results button in the upper right that allows you to winnow down the list. You can filter for Undead CR 6, for instance. Similar functionality exists in the Compendium on the website:

You beautiful genius, that's exactly what I needed and I'm an idiot for not finding it! <3 Thank you