Nikon Z mirrorless APS-C camera mockups - Nikon Rumors
Nikon Z9 review: a DSLR-like stills/video monster: Digital Photography Review
Thom Hogan: "What I hear out of Tokyo is that [Nikon] seem to be coming to the same decision: an F-mount full frame mirrorless camera for 2018, with the F mount intact." :
Nikon Zfc Camera Review | Thom Hogan
Hands-on with Canon's EOS R7 APS-C mirrorless camera: Digital Photography Review
Thom Hogan explains why Nikon's late entry to the mirrorless market could actually be a good thing - Nikon Rumors