https://qspace.library.queensu.ca/handle/1974/8298
The appendix contains sketches for multiple unbuilt Canadian warship designs from the late 1950s to the mid 60s, including General Purpose Frigate, DDG designs, Helicopter carrying destroyers (referred to as Heliporters), and also mentions attempts to acquire Iwo-Jima class's LPHs and an Essex class CVA.