libpng
on SourceForge
libpng16/older-releases/1.6.25/libpng-1.6.25.tar.xz.asc
libpng16/older-releases/1.6.25/libpng-1.6.25.tar.xz
libpng16/older-releases/1.6.25/libpng-1.6.25.tar.gz.asc
libpng16/older-releases/1.6.25/libpng-1.6.25.tar.gz
libpng16/older-releases/1.6.25/libpng-1.6.25-README.txt
libpng16/older-releases/1.6.25/libpng-1.6.25-LICENSE.txt