Fedora Documentation: www.fedora.us/wiki/FedoraHOWTO

Fedora Legacy (updates for old versions of Red Hat Linux): fedoralegacy.org

List of Yum Repositories: linux.duke.edu/projects/yum/repos

Official Yum Download Site: linux.duke.edu/projects/yum/download.ptml

Yellow Dog Linux: www.yellowdoglinux.com

Yum FAQ: www.phy.duke.edu/~rgb/General/yum_HOWTO/yum_HOWTO/yum_HOWTO.html#toc1

Yum Mailing List: https://lists.linux.duke.edu/mailman/listinfo/yum