1. Amino-acid Components in Fossil Calcified Tissues
2. GENERAL INTRODUCTION
3. Barrow, W.J. 1972.Manuscripts and documents : Their deterioration and restoration. Charlottesville, Va.: University Press of Virginia. 35–37.
4. Barrow, W. J. 1974. Physical and chemical properties of book papers 1507–1949. Richmond, Va.: W. J. Barrow Research Laboratory.