Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Armistead, Samuel G. and Silverman, Joseph H.",The Judeo-Spanish ballad chapbooks of Yacob Abraham Yoná,,University of California Press,1971,Folk literature of the Sephardic Jews,,0520016483,,https://cir.nii.ac.jp/crid/1130000797663257472