found: Work cat.: 2005002648: Swartz, M. Avodah, 2005: ECIP galley (Avodah piyyutim, Avodah poems; these poems treat of the creation of the world, the patriarchs of humanity, the history of the Jews, and the details of the Yom Kippur liturgy; "Some of the most prominent poets of medieval Spain ... composed Avodah piyyutim. In the southern Italian, Byzantine and Franco-German (Ashkenazic)communities, this genre continued as well")
found: Penn Library WWW site, Feb. 4, 2005: Online Exhibition "Challenging Boundaries" (Avodah piyyutim)
found: Association of Jewish Studies WWW site, Feb. 4, 2005: 31st annual conference program (Avodah piyyutim)
found: Judaica: v. 3, col. 978 (Avodah piyyut [singular form]) v. 5, col. 1379 (piyyutim of the Avodah)
found: Idelsohn, A.Z. Jewish liturgy and its development, 1932: p. 42 ("Almost every prominent payetan [author of piyutim] attempted to write an Avoda [singular form]"; Avodoth)