Yizkor books: a voice for the silent past. - Jason J. Soo; Rebecca Cathey; Ophir Frieder; Michlean J. Amir; Gideon Frieder (CIKM, 2008)

Worldwide Accessibility to Yizkor Books. - Rebecca Cathey; Jason J. Soo; Ophir Frieder; Michlean J. Amir; Gideon Frieder (NGITS, 2009)