Buscar : Título Autor Tema Serie Número de llamada que comienza con: 10 20 30 50 100 por página < Encabezamientos 10 anteriores Encabezamientos 10 siguientes > Consultar encabezamientos # Cryptographers -- United States -- History -- 20th century. 3 Cryptographers -- United States -- History -- 20th century -- Juvenile literature. 1 Cryptographic fiction -- SEE: Cryptologic fiction 22 Cryptography. 19 SEE ALSO: Ciphers. 9 SEE ALSO narrower term: Cryptographers. 7 SEE ALSO: Data encryption (Computer science) 2 Cryptography -- Drama. 1 Cryptography -- Fiction. 7 SEE: Code and cipher stories 96 Cryptography -- Great Britain -- History -- 20th century. 1 Cryptography -- History. 3 Cryptography -- History -- 20th century. 2 Cryptography -- History -- Juvenile literature. 2 10 20 30 50 100 por página < Encabezamientos 10 anteriores Encabezamientos 10 siguientes >