I would start at the home page of savage firearms company,check customer service.Then you could look at E-bay and see if any have been reprinted.
Contact Savage Arms Customer Service through their website.
You should be able to find a assembly-disassembly guide for your Winchester model 37 on E-bay.If not you may to need to visit a qualified gunsmith.
The Gun Digest Book Firearms Assembly and Disassembly Part 5 Shotguns has an illustrated description of the model 97 disassembly.
Contact Marlin.
Try e-gunparts.com, gun shops, gun shows, want ads.
Rifle, handgun or shotgun?
No
Call Rossi and ask for a manual
It a Savage model 30H
I do not think that they make larger clips for the Savage model 62.I know for certain that they do not make larger clips for the Savage model 64.
Get a copy of the Gun Digest Asembly/Disassembly instructions for centerfire rifles. The Marlin Mod 36 is included.
How do I get in touch with Savage Arms Co. and not this site? Bruce