arcadeshopper

http://www.99er.net/
ti.faq
ftp://ftp.whtech.com/magazines/99er/

http://tigameshelf.net/

http://www.videogamehouse.net/

http://chung.yikes.com/~leonard/mirrors/ti99/

http://atariage.com/forums/forum/119-ti-994a-programming/

http://www.ricks-graphics.co.uk/area99/

http://www.ti99ug.co.uk/

http://shawweb.myzen.co.uk/stephen/articles.htm

http://web.lowcountry.com/~compdr/

http://www.hexbus.com/TI-99_4A_Home_Computer_Page/The_TI-99_4A_Home_Computer_Page.html

http://www.planet-99.net/

http://www.webring.org/hub?ring=ti994a&list

http://www.pagetable.com/?p=672

http://www.harmlesslion.com/cgi-bin/showprog.cgi?TI-99/4A

http://www.ti994.com/

http://www.giantbomb.com/ti-994a/3045-48/

http://www.spacious-mind.com/html/texas_instruments_ti_99-4a.html

http://www.whtech.com/ti/

http://www.hexbus.com/tibooks/

http://eswartz.github.io/emul/

http://www.robpatton.com/ti994a.htm

http://www.classic-computers.org.nz/blog/2014-02-22-ti99_4a-reconstituting.htm

http://www4.ncsu.edu/~awwatkin/ATARI/LISTS/ti99.html

http://www.fabbnet.net/ti99.htm

http://codehackcreate.com/archives/208

http://codehackcreate.com/store

http://briantw.com/ti-99/4a/

http://gtello.pagesperso-orange.fr/ti99_e.htm

http://www.ti99ug.co.uk/

http://www.dsapsc.com/links.html

http://www.robotsandcomputers.com/computers/ti_994A.htm

http://ti99blog.webs.com/apps/links/

http://ti99blog.webs.com/apps/links/

http://www.turboforth.net/

http://www.8bit-homecomputermuseum.at/repair/ti99_joystick/ti99_joystick_repair.html

http://www.ti99iuc.it/web/index.php