Comentario de los indicadores publicados en Swan, D. W., Grimes, J., Owens, T., Vese, Jr., R. D., Miller, K., Arroyo, J., Craig, T., Dorinski, S., Freeman, M., Isaac, N., O'Shea, P., Schilling, P. Scotto, J. (2013). Public Libraries in the United States Survey: Fiscal Year 2010 (IMLS-2013–PLS-01). Institute of Museum and Library Services. Washington, DC.