| CodeBook allows you to strongly encrypt and decrypt files of any type using Internal Keys or Keys that you specify. |
| Another popular tool is the online Codebook Browser, which provides the list of dataset variables and their characteristics, including ways to sort, filter, and search. |
| Once the codebook was established and disseminated, a telegraph could serve as such a device. |
| It is inviting the public to contribute by suggesting changes to be incorporated into the Code of Practice, or The Editors' Codebook which accompanies it. |
| Expert Gord Young decoded it by consulting a Royal Artillery codebook that had been kept by a relative who fought in the conflict. |
