muLinux - muLinux is another one disk Linux system with files usable with Small Linux -- http://sunsite.dk/mulinux/
TINY Linux - a small distribution you can intall from floppies - supports X - easy installation -- http://tiny.seul.org
From Power Up To Bash Prompt - A HOWTO for Building a Minimal Linux System from Source Code (aka Power to Bash Guide) -- http://www.netspace.net.au/~gok/power2bash/
BYLD - Build Your Linux Disk - How to build a single floppy linux distribution -- http://byld.sourceforge.net/
Linux From Scratch Book - Derived from the LFS HOWTO on building your own version of Linux from an installed distribution -- http://www.tldp.org/guides.html
Linux From Scratch - Guidelines from TTS Linux Solutions on how to create your own Linux distribution -- http://linuxfromscratch.org/
4mb Laptop HOWTO - by Bruce Richardson How to put a "grown-up" Linux on a small-spec (4mb RAM, <=200mb hard disk) laptop. -- http://www.tldp.org/HOWTO/4mb-Laptops.html
MobiliX Mobile Computers and Unix -- http://mobilix.org/index.html now available at http://www.tuxmobil.org/
Ecology and Linux - The Ecology and Linux HOWTO page -- http://www.tuxmobil.org/eco_linux.html
Hard-Disk-Upgrade - How to copy a Linux system from one disk to another. -- http://www.tldp.org/HOWTO/mini/Hard-Disk-Upgrade/index.html
The Linux Installation HOWTO - This document describes how to obtain and install Linux software. It is the first document which a new Linux user should read to get started. -- http://www.tldp.org/HOWTO/Installation-HOWTO/index.html
Bootdisk-HOWTO - This document describes how to design and build boot/root diskettes for Linux. These disks can be used as rescue disks or to test new system components. -- http://www.tldp.org/HOWTO/Bootdisk-HOWTO/index.html
Additional Links: http://www.superant.com/cgi-bin/smalllinux.pl?Other_Small_Linux_Projects