In The Future of the Research Library, Verner Clapp comments on the "two principles which have controlled the growth of libraries the principle of local self-sufficiency and the principle of sharing the resources." 1 It is becoming increasingly clear, however, that adherence to the principle of self-sufficiency is no longer economically feasible or rationally desirable for libraries. Pragmatic problems of spiralling costs of labor and material, physical problems of space, and intellectual concern over bibliographic control of the burgeoning information explosion all play their part in contributing to the demise of such an insular concept. Sharing in the guise of cooperation, centralization, regionalization is the "in" concept of t...