00485nam a2200133Ia 4500008004100000040001700041082002200058100002300080245004800103260008100151300001300232440003700245650006900282190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta027.4bM51P  aMcColvin, Lionel R 0aPublic library extensioncLionel R McColvin  aParisbUnited Nations Educational Scientific and Cultural Organizationc1950  ax, 113p.  aUNESCO public library manuals; 2  aLibrary extension; Public libraries; Library and adult education