ftp.nice.ch/pub/next/text/tex/teTeX/distrib/sources/teTeX-lib-0.4.tar.gz#/teTeX/texmf/bibtex/bst/ams

amsalpha.bst
 

amsplain.bst
 

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