The Model 60 was a Glenfield until 1983, when Marlin retired the Glenfield moniker.
There were also the Glenfield Model 20 and 25, based on the Marlin 80 and 780. The single shot Models 10 and 15, based on the Marlin 101. The early Glenfields were marked "Marlin" and only identified as Glenfield by adding a a "G" suffix to the Marlin model, hardwood vs walnut stock and lack of the Marlin Bullseye. Sometime around '68 they started marking the barrels "Glenfield" to help distinguish them from the upscale Marlins.