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episodes/067.md

@@ -28,7 +28,7 @@ _Listen in your podcast player by searching for **Future of Coding**, or via_ [A
 * The opening segment of the ["I Want to Half-Believe" episode of Very Bad Wizards](https://verybadwizards.com/episode/episode-266-i-want-to-half-believe) considered harmful.
 * [The Witness](https://store.steampowered.com/app/1985690/The_Looker/) considered harmful to our show notes.
 * [Delimited Continuations](https://en.wikipedia.org/wiki/Delimited_continuation) considered harmful.
-* [Notation as a Tool of Thought] by "Kenneth E. Iverson considered harmful."
+* [Notation as a Tool of Thought](https://www.eecg.toronto.edu/~jzhu/csc326/readings/iverson.pdf) by "Kenneth E. Iverson considered harmful."
 * [The Zen of Python](https://en.wikipedia.org/wiki/Zen_of_Python) considered a great honking idea.
 * [Chunky Bacon](https://en.wikipedia.org/wiki/Why%27s_(poignant)_Guide_to_Ruby) considered harmful.
 * [Copilot](https://github.com/features/copilot)