Home›1939 in literature›D'Agapeyeff cipher🌐EnglishEnglishFrançaisItalianoNederlandsPortuguêsEntityQ735055· pop 5· linked from 8 articlesD'Agapeyeff cipherunbroken cipherAvailable in 5 languagesFrançaisPortuguêsItalianoHungarianvia Wikidata sitelinks · CC0ConnectionscryptographyEntitycartographyEntityCategories1939 in literatureUndeciphered historical codes and ciphers