http://www.squidoo.com/Ryoma-Sakamoto
http://wiki.samurai-archives.com/index.php?title=Sakamoto_Ryoma
_ The grave of Ryoma Sakamoto
http://www.youtube.com/watch?v=I-kaHWUIgtQ
_ Meiji Revolution 1
http://www.youtube.com/watch?v=2BQr5nRn_Cw
http://www.squidoo.com/Ryoma-Sakamoto
http://wiki.samurai-archives.com/index.php?title=Sakamoto_Ryoma
_ The grave of Ryoma Sakamoto
http://www.youtube.com/watch?v=I-kaHWUIgtQ
_ Meiji Revolution 1
http://www.youtube.com/watch?v=2BQr5nRn_Cw