Have kombucha / chewing tobacco / coffee / beer / your favorite drink by you as you go down this rabbit hole.
Here is your doorway to hundreds of links.
Find the older blogs and articles going back into the 1990s on the Web Archive Capture of the Cockburns.us site.
Here are the more recent articles.
Use Case Foundation, with Ivar Jacobson
Ivar Jacobson, the inventor of use cases, and Alistair Cockburn, author of Writing Effective Use Cases, got together to unify, simplify and clarify the definition of a use case. This is that paper.
Selected recent videos, both professional and personal.
Check also what a web search brings up, or Alistair's YouTube channel for more videos.
Including technical and non-technical (poetry, for example) books.
There's a list on Amazon with different versions, different languages. My store has the epubs (along with mugs and t-shirts)
No web site is complete without flogging a bit of merchandise. Here's where you find things like the Hexagonal Architecture and Heart of Agile coffee mugs and random items I've made along the way (consider the Normal Is Perpendicular mug, for example, or the t-shirt with a poem in Spanish split front and back).
Your choice. Have fun.
If you got this far, you might like to see the long history and some of the memes Dr. Cockburn has coined. You may be surprised by how familiar some of these are.