He notes the general equivalency of cards and papers in vertical files.

One of the primary affordances that individual atomic cards have is the ability to more easily re-arrange and reuse them for various purposes in comparison with larger sheets with greater amounts of data on them.

<small><cite class='h-cite via'>ᔥ <span class='p-author h-card'>Manfred Kuehn</span> in Taking note: Luhmann's Zettelkasten (<time class='dt-published'>08/06/2021 00:16:23</time>)</cite></small>

Note the use of the edge highlighted taxonomy system used on these cards:

Similar to the so called high five indexing system I ran across recently.

https://www.flickr.com/photos/hawkexpress/albums/72157594200490122/

A 9 x 5" card that folds in three to make a 3 x 5" card for planning out one's entire week.

This is quite clever with respect the space of cards like Analog and 3x5 Life.

via: https://www.3x5life.com/collections/frontpage/products/3x5-life-system-with-mini-course

They apparently offer a mini course outlining the system.

One wonders how much "why" they offer?

https://www.3x5life.com/

Compare with other products in this category: - Analog (Jeff Sheldon productivity system) - Memindex - Bullet Journal - Frictionless Capture Cards - Pile of Index Cards

I started making lists on index cards—you know the ones we used back in school.

Note the total lack of any referent to why we used to use index cards in school.

In Australia index cards are frequently called system cards,

via micro.blog/writingslowly at https://micro.blog/writingslowly/18676734

Interesting to see a passing mention of Hawk Sugano's Pile of Index Cards here in a note taking context rather than a productivity one.

1930s Wilson Memindex Co Index Card Organizer Pre Rolodex Ad Price List Brochure

archived page: https://web.archive.org/web/20230310010450/https://www.ebay.com/itm/165910049390

Includes price lists

List of cards includes: - Dated tab cards for a year from any desired. - Blank tab cards for jottings arranged by subject. - These were sold in 1/2 or 1/3 cut formats - Pocket Alphabets for jottings arranged by letter. - Cash Account Cards [without tabs]. - Extra Record Cards for permanent memoranda. - Monthly Guides for quick reference to future dates. - Blank Guides for filing records by subject.. - Alphabet Guides for filing alphabetically.

Memindex sales brochures recommended the 3 x 5" cards (which had apparently been standardized by 1930 compared to the 5 1/2" width from earlier versions around 1906) because they could be used with other 3 x 5" index card systems.

In the 1930s Wilson Memindex Company sold more of their vest pocket sized 2 1/4 x 4 1/2" systems than 3 x 5" systems.

Some of the difference between the vest sized and regular sized systems choice was based on the size of the particular user's handwriting. It was recommended that those with larger handwriting use the larger cards.

By the 1930's at least the Memindex tag line "An Automatic Memory" was being used, which also gave an indication of the ubiquity of automatization of industrialized life.

The Memindex has proved its success in more than one hundred kinds of business. Highly recommended by men in executive positions, merchants, manufacturers, managers, .... etc.

Notice the gendering of users specifically as men here.

Features: - Sunday cards were sold separately and by my reading were full length tabs rather than 1/6 tabs like the other six days of the week - Lids were custom fit to the bases and needed to be ordered together - The Memindex Jr. held 400 cards versus the larger 9 inch standard trays which had space for 800 cards and block (presumably a block to hold them up or at an angle when partially empty).

The Memindex Jr., according to a price sheet in the 1930s, was used "extensively as an advertising gift".

The Memindex system had cards available in bundles of 100 that were labeled with the heading "Things to Keep in Sight".

Getting Things Done with Index Cards<br /> by Jazz DiMauro

referenced in Lifehacker article as early as 2005

Note the use of envelopes for separation. Did this predate the Noguchi Filing System, inspired by it or wholly separate?

The Hipster PDA<br /> by Gina Trapani

How do Bransford, Brown, & Cocking (2000) define schemas? (Metiri Group, Cisco Sytems, 2008) As chunks of multiple individual units of memory that are linked into a system of understanding

What term is defined by Bransford, Brown, & Cocking (2000) to be "chunks of multiple individual units of memory that are linked into a system of understanding"? (Metiri Group, Cisco Sytems, 2008) Schemas.

Seems related to the paradox of information systems. Add to Anki deck

https://lifehacker.com/the-pile-of-index-cards-system-efficiently-organizes-ta-1599093089

LifeHacker covers the Hawk Sugano's Pile of Index Cards method, which assuredly helped promote it to the GTD and productivity crowd.

One commenter notices the similarities to Ryan Holiday's system and ostensibly links to https://thoughtcatalog.com/ryan-holiday/2013/08/how-and-why-to-keep-a-commonplace-book/

Two others snarkily reference using such a system to "keep track of books in the library [,,,] Sort them out using decimal numbers on index cards in drawers or something..." and "I need to tell my friend Dewey about this! He would run with it." Obviously they see the intellectual precursors and cousins of the method, though they haven't looked at the specifics very carefully.

One should note that this may have been one of the first systems to mix information management/personal knowledge management with an explicit Getting Things Done set up. Surely there are hints of this in the commonplace book tradition, but are there any examples that go this far?

An example of a ticker file in the vein of getting things done (GTD) documented using index cards and a card file from 1917. Sounds very familiar to the Pile of Index Cards (PoIC) from the early 2000s.

https://www.youtube.com/results?search_query=pile+of+index+card

Doesn't look like there's any of the "original" PoIC material on YouTube, but some examples of related practices to check into.

1. BNF, NAF 28630, ‘Grand fichier’, 3 January 1975.

Roland Barthes' biographer Tiphaine Samoyault quotes portions of what he calls Barthes' card index diary.

This can also be seen in the published cards which comprise Barthes' Mourning Diary about the period following his mother's death.

Are there other people who've used their card index as a diary the way that some use it for productivity?

syndication link

Dwyer, Edward J. “File Card Efficiency.” Journal of Reading 26, no. 2 (1982): 171–171.

Ease of use in writing and grading with short assignments by using 4 x 6" index cards in classrooms.

This sounds like some of the articles from 1912 and 1917 about efficiency of card indexes for teaching.

I'm reminded of some programmed learning texts that were card-based (or really strip-based since they were published in book form) in the 1960s and 1970s. Thse books had small strips with lessons or questions on the front with the answers on the reverse. One would read in strips through the book from front to back and then start the book all over again on page one on the second row of strips and so on.

I remember also seeing this as an indexing system for index cards in 2007. https://www.flickr.com/photos/hawkexpress/sets/72157594200490122/

It's not too dissimilar a pattern from the early 20th century edge-notched cards which were used to make sorting collections easier. https://en.wikipedia.org/wiki/Edge-notched_card Of course doing this for a notebook isn't going to work as easily.

Reply to https://www.reddit.com/r/commonplacebook/comments/oq12xs/has_anyone_used_this_indexing_system_curious_what/

Example of a edge-based taxonomy system for index cards.