libpng
on SourceForge
libpng12/older-releases/1.2.57/libpng-1.2.57.tar.xz
libpng12/older-releases/1.2.57/libpng-1.2.57.tar.gz
libpng12/older-releases/1.2.57/libpng-1.2.57-project-wince.zip
libpng12/older-releases/1.2.57/libpng-1.2.57-project-netware.zip
libpng12/older-releases/1.2.57/libpng-1.2.57-no-config.tar.xz
libpng12/older-releases/1.2.57/libpng-1.2.57-no-config.tar.gz
libpng12/older-releases/1.2.57/libpng-1.2.57-Y2K-compliance.txt
libpng12/older-releases/1.2.57/libpng-1.2.57-README.txt
libpng12/older-releases/1.2.57/libpng-1.2.57-LICENSE.txt
libpng12/older-releases/1.2.57/libpng-1.2.57-KNOWNBUGS.txt