https://www.zacpod.com/category/gw620/
http://opensource.lge.com/osSch/list?types=ALL

[[APP] Superuser 2.3.6.1 - Now on the Market [2010-09-05]] (https://forum.xda-developers.com/showpost.php?p=6499147&postcount=1)

https://github.com/ChainsDD/su-binary

References
Here are a bunch of external references. Some of these may disappear and become bad links. Some link to material from questionable sources that you may not want to consume. Use your judgement.

Publications and talks
http://www.youtube.com/watch?v=CPPQ8vA6cRc - “Base band apocalypse” talk
https://cryptolux.org/media/hack.lu-aybbabtu.pdf - “All your basebands are…” slide deck
http://reverse.put.as/wp-content/uploads/2011/06/basebandplayground-luismiras.pdf - “Baseband playground” slide deck
http://www.youtube.com/watch?v=YWdHSJsEOck - “Defending mobile phones” 28c3 talk
http://www.youtube.com/watch?v=IWSCdpAeONA - “Reverse engineering a qualcomm baseband” 28c3 talk. Debugging tools, but for a pre-L4 REX system.
http://wenku.baidu.com/view/11809474f46527d3240ce06b.html - online pdf of android software release plan from qualcomm. Has a nice appendix showing software stack and listing qualcomm docs
blogs and articles
http://tjworld.net/ - TJWorld is a wiki that contains a lot of information about the HTC Vision including some information about the hardware and baseband software
http://blog.csdn.net/yili_xie/article/details/5129469 - chinese article on l4 + rex + amss
GSM projects or documentation
http://bb.osmocom.org/trac/ - osmoconbb is an open source GSM baseband
http://openbts.sourceforge.net/ - OpenBTS is an open sources GSM base station that runs on USRP software defined radio devices
http://openbsc.osmocom.org/trac/wiki/OpenBSC - OpenBSC is an open source GSM base station controller running on certain micro/nano BTS hardware
Debugging and analysis tools
http://wiki.cyanogenmod.com/wiki/HTC_Dream_%26_Magic:_JTAG - JTAG information for HTC dream
http://forum.xda-developers.com/wiki/HTC_Dream
http://saturn.ffzg.hr/rot13/index.cgi?action=display_html;page_name=htc_dream_g1_jtag
http://www.instructables.com/id/Android-G1-Serial-Cable/ - building a cable for the htc dream serial console (bootloader)
http://openocd.sourceforge.net/getting-openocd/ - OpenOCD JTAG software
misc
https://www.codeaurora.org/git/projects/hisense-ts7008/repository/revisions/db2575e163152f681668800744c99f287f77a8ef/entry/AMSS/products/7x30/core/debugtools/tmc/src/tmc.c and nearby files, looks like some leaked code

Datasheet for MSM7200

Unavailable - files that were online previously but now hard to find
80-VA736-2-MSM7200-SoftwareInterface.pdf
80-VE263-25-MSM7200A-BasebandTopics.pdf
http://mikechannon.net/PDF%20Manuals/HTC%20Dream%20SM%20(A04).pdf - HtcDream service manual