Good day to everyone! I hope this is the right section for this question, if not I'm sorry.

I'm opening this thread to ask if someone knows where I can find an icon collection, in PDF version or similar, to use for reference. It doesn't matter if it's free or not. Or even a collection of images that I can download and put together later.
To make you better understand what I mean I'll put a couple of link here from PDF drive:

A collection of illustrations about plants and flowers: https://www.pdfdrive.com/plants-and-...195285217.html

A collection of illustrations about weapons and armors: https://www.pdfdrive.com/arms-armour...158354470.html

The kind of stuff I'm searching for is something like those PDF but with icons like this: https://www.pinterest.it/pin/16184879902968897/ or https://www.pinterest.it/pin/626422629413185397/

Thanks for everyone that will help! (and sorry for my bad english)