"American Library Association. Library Administration Division. Certification Committee." . . . . "Certification of public librarians in the United States : a detailed summary of legal and voluntary certification plans for public librarians based on information suppled by the various certificating agencies or other appropriate sources"@en . . "Certification of public librarians in the United States : a detailed summary of legally mandated and voluntary certification plans for public librarians based on information supplied by the various certificating state agencies or other appropriate sources"@en . . . "Certification of public librarians in the United States; a detailed summary of legal and voluntary certification plans for public librarians based on information supplied by the various certificating agencies or other appropriate sources"@en . . . . . "Certification of public librarians in the United States a detailed summary of legal and voluntary certification plans for public librarians based on information supplied by the various certificating agencies or other appropriate sources"@en . . . "Certification of public librarians in the United States : a detailed summary of legal and voluntary certification plans for public librarians based on information supplied by the various certificating agencies or other appropriate sources"@en . . . . . . "Library Administration and Management Association. Economic Status, Welfare & Fringe Benefits Committee." . . . .