^Johnson, Dexter; Grisman, Pamela (1991). "About Jacob". Mandolin Master of Brazil: Original Classic Recordings, Vol. I (CD liner). Jacob do Bandolim. San Rafael, California: Acoustic Disc.
^*Sparks, Paul (2005). The Classical Mandolin. Oxford University Press.
^Tamara Elena Livingston-Isenhour, Thomas George Caracas Garcia. 2005. Choro: A Social History Of A Brazilian Popular Music. Indiana University Press, Jul 30, 2005 p. 133
^Johnson, Dexter; Grisman, Pamela (1991). "About Jacob". Mandolin Master of Brazil: Original Classic Recordings, Vol. I (CD liner). Jacob do Bandolim. San Rafael, California: Acoustic Disc.
^*Sparks, Paul (2005). The Classical Mandolin. Oxford University Press.
^Tamara Elena Livingston-Isenhour, Thomas George Caracas Garcia. 2005. Choro: A Social History Of A Brazilian Popular Music. Indiana University Press, Jul 30, 2005 p. 133