Association of Research Libraries
ARL is a nonprofit membership organization comprising the leading research libraries in North America. Its mission is to shape and influence forces affecting the future of research libraries in the process of scholarly communication. ARL programs and services promote equitable access to and effective use of recorded knowledge in support of teaching, research, scholarship and community service.
ARL articulates the concerns of research libraries and their institutions, forges coalitions, influences information policy development, and supports innovation and improvements in research library operations. ARL operates as a forum for the exchange of ideas and as an agent for collective action. There are currently 123 members. ARL Membership Meetings are held twice a year and proceedings are available online.
Medical Library Association
Founded in 1898, MLA is a nonprofit, educational organization of more than 1,100 institutions and 3,600 individual members in the health sciences information field, committed to educating health information professionals, supporting health information research, promoting access to the world's health sciences information, and working to ensure that the best health information is available to all.