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CIA documents from the 1940s, such as [this declassified biography of Kim Il
Sung](https://www.cia.gov/readingroom/docs/CIA-
RDP80-00809A000600270269-4.pdf), annotate the Chinese characters used in
Korean names with numeric "Ueda" codes, like this:

[![enter image description
here](https://i.stack.imgur.com/huV82.png)](https://i.stack.imgur.com/huV82.png)

Kim Sung-ju is 金成柱 and Kim Il Sung is 金日成, so we can infer that 12380 = 金. But
**who/what is "Ueda", and where can I find the full list of these character
codes?**

Disclaimer: Korean is obviously not Japanese, but Korea was under Japanese
rule at the time and "Ueda" is almost certainly Japanese. My working
hypothesis is that this is some sort of Daijiten-style reference to characters
used across China, Japan and Korea.
CC BY-SA 4.0
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question
kanji input-method unicode
What are the "Ueda" codes found in CIA documents from the 1940s?
[@aguijonazo](https://japanese.stackexchange.com/users/43676/aguijonazo) found
the source, and
[@naruto](https://japanese.stackexchange.com/users/5010/naruto) contributed by
finding [the exact page](https://dl.ndl.go.jp/pid/950499/1/1172) hosted on
[the National Diet Library Digital Collections](https://dl.ndl.go.jp/). (If
the page doesn't work for you, try a different web browser). It's been a year,
so I'm posting an answer as a community wiki. I hope either of the
contributors posts their answer, then proper reputation can be made.

Anyway, these numbers are most likely from Ueda's Daijiten ([WorldCat
page](https://www.worldcat.org/title/uedas-daijiten-a-japanese-dictionary-of-
chinese-characters-and-compounds/oclc/123282032),
[cinii](https://ci.nii.ac.jp/ncid/BN13023172)), authored by 上田萬年 (Kazutoshi
Ueda) and published by Harvard University Press in 1942. The book is
apparently a translation from 大字典 published from 啓成社 in 1917 (it even has [an
entry in a
dictionary](https://kotobank.jp/word/%E5%A4%A7%E8%BE%9E%E5%85%B8%E3%83%BB%E5%A4%A7%E5%AD%97%E5%85%B8-2058346)!),
which seems to be [taken over by
講談社](https://bookclub.kodansha.co.jp/product?item=0000131443) in later years.
The author/editor, 上田萬年
([wikipedia](https://ja.wikipedia.org/wiki/%E4%B8%8A%E7%94%B0%E8%90%AC%E5%B9%B4))
seems to have had a significant impact at that time and also have studied
abroad. The author and the dictionary itself being influential, it is no
surprise if the U.S. government used it for internal purpose.

The numbers themselves are explained in the book as follows:

> 本書採録の文字には、其頭にアラビヤ数字を附し、之を以って検索に使ならしめたり。 (I have added Arabic numerals on top
> of the characters included in this dictionary, so that they can be utilised
> for lookup.)

and it seems to be sequential, the first character in the dictionary gets 1,
2nd 2, etc.

So [金](https://dl.ndl.go.jp/pid/950499/1/1172),
[成](https://dl.ndl.go.jp/pid/950499/1/469)
[柱](https://dl.ndl.go.jp/pid/950499/1/597) are numbered as such...

[![金
12380](https://i.stack.imgur.com/x7VZe.png)](https://i.stack.imgur.com/x7VZe.png)
CC BY-SA 4.0
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answer