Wiznitzer, A. (1957). Isaac de Castro, Brazilian Jewish matyr.
Lua i Stíl Chicago (17ú heag.)Wiznitzer, Arnold. Isaac De Castro, Brazilian Jewish Matyr. 1957.
Lua MLA (8ú heag.)Wiznitzer, Arnold. Isaac De Castro, Brazilian Jewish Matyr. 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.