Las dimensiones i el desarrollo de nuestro universo sidereal / por S. I. Bailey; traducción de. M. G. Suarez Polar,, [1923] Digital

Holding nearly four centuries of materials, the Harvard University Archives is the principal repository for the institutional records of Harvard University and the personal archives of Harvard faculty, as well as collections related to students, alumni, Harvard-affiliates and other associated topics. The collections document the intellectual, cultural, administrative and social life of Harvard and the influence of the University as it emerged across the globe.