E. Mejía Sánchez, «Frank M. Duffey, The early “cuadro de costumbres” in Colombia. The University of North Carolina Press, Chapel Hill, 1956; xiii + 116 pp. (Studies in the Romance Languages and Literatures, 26)»., NRFH, vol. 12, n.º 2, pp. 233–234, may 1958.