Amistad, amistad   Publication Date:   1940/1949 Creator:   Los Gavilanes ( performer ) Mary Isaura ( performer ) Publisher.Display:   Victor ( Spain ; ) Format:   1 sound disc : 78 rpm ; 10 in. Source Institution:   Florida International University Amistad, amistad	Concertante Part 2   Publication Date:   1940/1949 Creator:   Mary Isaura ( performer ) Mayral, Ricardo ( performer ) Publisher.Display:   Victor ( Spain ; ) Format:   1 sound disc : 78 rpm ; 10 in. Source Institution:   Florida International University Concertante Part 2