La Bahia slideshow: http://www.mysanantonio.com/multimedia/slideshows/show_1436/window/slide_1.html
Angel of Goliad decendants historial preservation:
http://www.angelofgoliadhp.com/
Presidio la Bahia:
http://www.presidiolabahia.org/
Goliad Massacre - Texas State Handbook Online:
http://www.tsha.utexas.edu/handbook/online/articles/GG/qeg2.html
Since you expressed an interest on The Alamo thread, here's more on Goliad.