libpng
on SourceForge
libpng12/older-releases/1.2.57beta/libpng-1.2.57rc01-project-wince.zip
libpng12/older-releases/1.2.57beta/libpng-1.2.57rc01-project-netware.zip
libpng12/older-releases/1.2.57beta/libpng-1.2.57rc01-no-config.tar.xz
libpng12/older-releases/1.2.57beta/libpng-1.2.57rc01-no-config.tar.gz
libpng12/older-releases/1.2.57beta/libpng-1.2.57rc01-Y2K-compliance.txt
libpng12/older-releases/1.2.57beta/libpng-1.2.57rc01-README.txt
libpng12/older-releases/1.2.57beta/libpng-1.2.57rc01-LICENSE.txt
libpng12/older-releases/1.2.57beta/libpng-1.2.57rc01-KNOWNBUGS.txt