ftp.nice.ch/peanuts/GeneralData/Documents/openstep/OpenStepSpec_rtf.tar.gz#/OpenStepSpec_rtf/FoundationKit/Protocols

NSCoding.rtf
[View NSCoding.rtf] 
NSCopying.rtf
[View NSCopying.rtf] 
NSLocking.rtf
[View NSLocking.rtf] 
NSMutableCopying.rtf
[View NSMutableCopying.rtf] 
NSObjCTypeSerializationCallBack.rtf
[View NSObjCTypeSerializationCallBack.rtf] 
NSObject.rtf
[View NSObject.rtf] 

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.