Manual of library economy /

Eitemau Tebyg

• Manual of library economy rev by R Northwood Lock /
  gan: Brown James Duff
  Cyhoeddwyd: (1961)
• Manual of library economy rev by R Northwood Lock /
  gan: Brown, James Duff
  Cyhoeddwyd: (1961)
• Manual of library economy rev by R Northwood Lock /
  gan: Brown, James Duff
  Cyhoeddwyd: (1961)
• Manual of library economy rev by R Northwood Lock /
  gan: Brown, James Duff
  Cyhoeddwyd: (1961)
• Manual of library economy /
  Cyhoeddwyd: (1977)