Ch'usa k'odŭ
Subtitle: sŏhwa e sumgyŏdun Chosŏn chŏngch'iin ŭi songmaŭm
By: Yi Sŏng-hyŏn chiŭm
Edition: Ch'op'an
Publisher: Tŭllyŏk
Published: 2016
Place of publication: Kyŏnggi-do P'aju-si
Language: kor
Number of pages: 452
ISBN-13: 9791159251412
Subjects: Cipher; Cryptography in art; Korean Calligraphy; History; Choson dynasty; Ciphers
Notes: Includes bibilographical references.