letter by Maria Perkins
... that a letter by Maria Perkins, a literate slave, is the only record of her existence?
... that a <b id="mwAkA"><a href="./Maria_Perkins_letter" id="mwAkE" rel="mw:WikiLink" title="Maria Perkins letter">letter by Maria Perkins</a></b>, a literate slave, is the only record of her existence?