| Title | Type | Date | Names | Characters | Series |
|---|---|---|---|---|---|
| Communicating with Slip Boxes: An Empirical Account | Essay | 1992 | Manfred Kuehn, Niklas Luhmann |
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| Learning How to Read | Essay | 2000 | Manfred Kuehn, Niklas Luhmann |
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| Progressive Summarization: A Practical Technique for Designing Discoverable Notes - Forte Labs | WebPage | 2017-12-27 | Tiago Forte |
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