Links for people just starting out in building synthesizer electronics
Beginner Synthesizer FAQ
http://tilt.largo.fl.us/faq/synthfaq.html
Introduction to Synthesizers
http://hem.passagen.se/tkolb/art/synth/what_e.htm
Synth DIY Beginners FAQ
http://www.synth.clara.net/beginners.html
Books:
http://home.swipnet.se/cfmd/synths/books.html
Etc:
http://directory.google.com/Top/Arts/Music/Instruments/Electronic/Synthesizers/Do-It-Yourself/
http://www.physicsenterprises.andrews.edu/diy_archive/synth_diy.html
http://www.synth.clara.net/resources.html
http://www.geocities.com/SoHo/Museum/4459/grey_pages/diyers.html
ASM-1
http://home.swipnet.se/cfmd/synths/friends/stopp/