# Edge Notched Card [[🧠 Notetaking]] A little bit related to [[Analog Zettelkasten]] and [[Zettelkasten]] in general. An old way to do [[Personal Knowledge Management]]. See [Edge-notched card - Wikipedia](https://en.wikipedia.org/wiki/Edge-notched_card).  Here's a nice quote from > [!quote] « I have a nice sophisticated system which I call the « General Practicioner ». I once wrote a book about it, but it was never published. The system enables me to use the cards in terms of the way I think. The advantage of the system is that nothing is filed under one heading. It’s not like a journal which relies on spatial location to find information. In fact, there are as many paths to the information or ideas or images on the cards as I require. There are single hole codes which categories very commonly used like plot, character, image. There are two hole codes which correspond to topics that are of some frequency in my writing such as sex roles, love class. Then there are the three hole codes of which there are a vast number. I use randomly generated codes from a computer. The machine runs the codes off and then I have them - the random numbers. This prevents having to through in sequence. … » from [Marge Piercy, Parti-colored blocks for a quilt](https://archive.org/details/particoloredbloc00pier/page/28/mode/2up). See also [https://dougengelbart.org/pubs/papers/scanned-original/1960-augment-133181-Special-Considerations-Individual-re-Information.pdf](https://dougengelbart.org/pubs/papers/scanned-original/1960-augment-133181-Special-Considerations-Individual-re-Information.pdf) by [[Douglas Engelbart]]