If you are looking for the technical "paper" (manual or circuit diagram) associated with this specific component pack, it is most commonly found in the following resources: Technical Documentation & Manuals
: The CP.3 coil pack was a staple in DIY radio kits from the 1950s and 60s. You can find detailed wiring diagrams and "how-to" articles in digitized issues of Practical Wireless and Radio Constructor . PACK CP 3.rar
: Schematics showing how to wire the coil pack into a superheterodyne receiver. If you are looking for the technical "paper"