Carpeta 242:
."Episodes in the mathematics of medieval islam", de J.L. Berggren

Carpeta 243:
."Omar Khayyam and a geometric solution of the cubic", de June Jones
."Euclid, Omar Khayyam, and Saccheri", de David Eugene Smith
."The rubaiyat", de Omar Khayyam
.Biografía de Omar Khayyam
."El patrimonio mundial de la humanidad es también víctima obligada de la guerra"
."The formation of “Islamic mathematics”. Sources and conditions", de Jens Hoyrup
."Analysis and synthesis according to Ibn Al-Haytham", de Roshdi Rashed

Carpeta 244:
."El concepto de deducción en la lógica aristotélica", de Juan Negrete
."Aristotle and mathematics", de Henry Mendell
."A Hitherto unknown hellenistic treatise on the regular polyhedra". Y.T. Langermann

Carpeta 245:
."Anatomy of a precursor. The historiography of aristarchos of Samos", de Byron Emerson Wall
."A new look at Euclid’s second proposition", de Godfried T. Toussaint
.Prefacio de "Sources and studies in the history and philosophy of classical science

Carpeta 246:
."Some remarks on the origins of greek science and philosophy", de Charles H. Kahn
."On the notion of a mathematical starting point in Plato, Aristotle, and Euclid", de Ian Muller
."What Euclid meant: on the use of evidence in studying anciente mathematics", de Wilbur R. Knorr

Carpeta 247:
."Fundamentación de la geometría de Euclides a Hilbert (investigación histórico-crítica). Capítulo 1: La geometría de Euclides", de Alejandro Garciadiego

Carpeta 248:
."La transformación de las matemáticas en una ciencia deductiva y los orígenes de su fundamentación sobre definiciones y axiomas"

Carpeta 249:
."La aparición del lenguaje aritmético-algebraico", de Eugenio Filloy, Teresa Rojano

Carpeta 250:
."The three supplements to Poincare’s priez essay of 1880 on Fuchsian Functions and differential equations", de Jeremy Gray
."A hundred years of numbers. An historical introduction to measurement theory 1887-1990. Part I: The formation period. Two lines of research: axiomatics and real morphisms, scales and invariance", de José A. Díaz
."Poincaré vs. Russell on the Role of logic in mathematics", de Michael Detlefsen