The close connection between universities and bureaucratic institutions such as church and state was perhaps first noticed by Max Weber. Such institutions, he observed, require a dependable source of cadres to run them. Thus, the size and composition of university enrollments are often a function of bureaucratic needs. Richard Kagan examines the dynamics of this relationship historically by racing the growth and decline of the university system in Castile, the heart of the Spanish monarchy, between 1500 and 1809. This period marked the emergence of a strong Habsburg state and a militant...