00523cam a2200193 a 45000010008000000030008000080050017000160080041000330100017000740200022000910400022001130820019001351100028001542450021001822600046002033000021002495040039002706500020003094258273BD-DhUL20161101192024.0840117s1933    uk a     b    000 0 eng    a   84000043   a0801646715 (pbk.)  aDLCcBD-DhULdDLC00a020.6219bLIY  aThe Library Association  aYear book 1950 /  aLondon :bThe Library Association,c1950.  a525 p. :c21 cm.  aIncludes bibliographies and index. 0aLibrary science