Quince años de vida venezolana a través de la obra de sus escritoras, 1960-1975 / R.J. Lovera De-Sola
Mexico’s volcanoes : a climbing guide / R.J. Secor ; [maps by Karen Lemagis ; sketches by Dee Molenaar].
The English in Portugal, 1367-87 : extracts from the chronicles of Dom Fernando and Dom Joao / Fernao Lopes ; with an introduction, translation, and notes by Derek W. Lomax & R.J. Oakley