TILLOTSON, M. R.
Grand Canyon country, by M. R. Tillotson and Frank J. Taylor. Foreword by Horace M. Albright.
TILLOTSON, M. R. Grand Canyon country, by M. R. Tillotson and Frank J. Taylor. Foreword by Horace M. Albright. © 30Aug29; A13948. Winifred S. Tillotson (W) & Frank J. Taylor (A); 24Sep56; R177194.
Winifred S. Tillotson|W||Frank J. Taylor|A