Copies of the 1555 edition of La relación are extremely rare. The following libraries are known to have copies:

Huntington Library (California) Library of Congress British National Library Southern Methodist University, Dallas University of Texas at Austin University of Texas at Arlington University of Arizona Claremont College (California) Yale University University of Southwestern Louisiana Houghton Library, Harvard University St. Louis Public Library University of North Carolina New York Public Library University of Virginia Texas State University-San Marcos John Carter Brown Library, Brown University

Copies of the original 1542 edition are even more rare. Only three libraries are known to have copies:

British Library John Carter Brown Library, Brown University New York Public Library