# Knowledge Organization, Cataloguing and Classification in Obsidian In this [[YouTube|video]], [[bri|Bri Watson]] ([@brimwats](https://twitter.com/brimwats)) gives a history of library organization, a detour into cataloging vs classification, and the lowdown on foldering in PKMs. Also includes hot takes on the use of tags. <iframe width="100%" height="400px" src="https://www.youtube.com/embed/cGQBOqvPK50" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> %% Hub footer: Please don't edit anything below this line %% # This note in GitHub <span class="git-footer">[Edit In GitHub](https://github.dev/obsidian-community/obsidian-hub/blob/main/04%20-%20Guides%2C%20Workflows%2C%20%26%20Courses/Community%20Talks/Knowledge%20Organization%2C%20Cataloguing%20and%20Classification%20in%20Obsidian.md "git-hub-edit-note") | [Copy this note](https://raw.githubusercontent.com/obsidian-community/obsidian-hub/main/04%20-%20Guides%2C%20Workflows%2C%20%26%20Courses/Community%20Talks/Knowledge%20Organization%2C%20Cataloguing%20and%20Classification%20in%20Obsidian.md "git-hub-copy-note") | [Download this vault](https://github.com/obsidian-community/obsidian-hub/archive/refs/heads/main.zip "git-hub-download-vault") </span>