Proposes a model of library output as an abstract quantity, and relates it to other components of library performance. The consequences of basing library funding on such measurable outputs as circulation are also examined in light of the proposed model. A 13-item reference list and four figures are provided. (JL)

Presents the results of a study conducted to determine the allocation of general revenue sharing funds to libraries from 1973 through 1977 and to estimate the impact of these funds on library budgets around the country. Data are summarized in 6 tables and a reference list is included. (Author/JL)