Yes, you can definitely use a card index for note-taking. In fact, many people find card indexes to be a useful and convenient tool for organizing and storing notes. Here are some tips for using a card index for note-taking:Choose a system: Decide on a system for organizing your cards. You could organize them alphabetically, by topic, by date, or by any other method that works for you.Choose the size of cards: Choose the size of cards that works best for your needs. Common sizes include 3" x 5", 4" x 6", and 5" x 8".Use one card per idea: Write one idea or piece of information on each card. This will help keep your notes organized and easy to reference.Include keywords: Include keywords on each card to make it easier to find relevant information later.Use dividers: Use dividers to separate different topics or sections in your card index. This will help keep your notes organized and easy to navigate.Carry it with you: A card index is a portable tool, so you can take it with you wherever you go. This makes it easy to take notes on the go and to refer to your notes when you need them.Overall, a card index can be a useful and efficient tool for note-taking, especially if you prefer a physical, tangible way of organizing and storing information.

All this was listed in alphabetical and chronological order over a total of about 50boxes,

alphabetical rules as presented by the Reich’s Committee on Economy

Apart from a higher probability to retrieve particular note sheets, that advantage lies in thecircumstance that notes having a similar keyword will, as the box grows, find themselves atthe same location because of the alphabetical structure. That means not only an automaticcollection of content, but also a comparative review of those related note sheets, which inturn leads to new thoughts basd on the relation between the note sheets with identicalkeywords

Among reference works the Catho-licon, the carefully alphabetized large Latin dictionary composed in 1286, was the first to be printed, by Gutenberg in 1460 and again in 1469.