Cyr's fourth reader. http://digital.library.pitt.edu/cgi-bin/t/text/text-idx?idno=00acn8305m;view=toc;c=nietz ed. Boston: Ginn & Company, 1899.
Cyr's fifth reader. http://digital.library.pitt.edu/cgi-bin/t/text/text-idx?idno=00ach7935m;view=toc;c=nietz ed. Boston: Ginn & Company, 1899.